<article>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#article10_03_05_1737209</id>
	<title>New Heat-Reduced Magnetic Solder Could Revolutionize Chip Design</title>
	<author>ScuttleMonkey</author>
	<datestamp>1267777140000</datestamp>
	<htmltext>A new heat-reduced <a href="http://www.technologyreview.com/computing/24691/?ref=rss&amp;a=f">soldering technique using magnets</a> may lead to some revolutionary changes in the way chips are manufactured.  Details are scant since the inventor seems to be playing it close to the vest for now in hopes of attracting chipmaker interest. <i>"The result is a tin-silver alloy that contains a dispersion of iron particles tens of micrometers in diameter. When a magnetic field is applied to the solders, two things happen. First, the iron particles heat up, locally melting the solder. This localized heating, which works on the same principle as inductive stoves, remains completely contained, keeping the surrounding area cool. And second, the iron particles line up with the direction of the magnetic field, squeezing and pushing the liquid in that direction. This alignment is retained when the solder solidifies, and the well-ordered particles provide mechanical reinforcement that's greater than that afforded by a regular dispersion of particles."</i></htmltext>
<tokenext>A new heat-reduced soldering technique using magnets may lead to some revolutionary changes in the way chips are manufactured .
Details are scant since the inventor seems to be playing it close to the vest for now in hopes of attracting chipmaker interest .
" The result is a tin-silver alloy that contains a dispersion of iron particles tens of micrometers in diameter .
When a magnetic field is applied to the solders , two things happen .
First , the iron particles heat up , locally melting the solder .
This localized heating , which works on the same principle as inductive stoves , remains completely contained , keeping the surrounding area cool .
And second , the iron particles line up with the direction of the magnetic field , squeezing and pushing the liquid in that direction .
This alignment is retained when the solder solidifies , and the well-ordered particles provide mechanical reinforcement that 's greater than that afforded by a regular dispersion of particles .
"</tokentext>
<sentencetext>A new heat-reduced soldering technique using magnets may lead to some revolutionary changes in the way chips are manufactured.
Details are scant since the inventor seems to be playing it close to the vest for now in hopes of attracting chipmaker interest.
"The result is a tin-silver alloy that contains a dispersion of iron particles tens of micrometers in diameter.
When a magnetic field is applied to the solders, two things happen.
First, the iron particles heat up, locally melting the solder.
This localized heating, which works on the same principle as inductive stoves, remains completely contained, keeping the surrounding area cool.
And second, the iron particles line up with the direction of the magnetic field, squeezing and pushing the liquid in that direction.
This alignment is retained when the solder solidifies, and the well-ordered particles provide mechanical reinforcement that's greater than that afforded by a regular dispersion of particles.
"</sentencetext>
</article>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375588</id>
	<title>All I have to say is..</title>
	<author>Falkentyne</author>
	<datestamp>1267783620000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>Viva la revolucion!
<br> <br> <br>
I also have to ask - what's with the revolutions today? It's Friday. Monday is the day for revolutions.</htmltext>
<tokenext>Viva la revolucion !
I also have to ask - what 's with the revolutions today ?
It 's Friday .
Monday is the day for revolutions .</tokentext>
<sentencetext>Viva la revolucion!
I also have to ask - what's with the revolutions today?
It's Friday.
Monday is the day for revolutions.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375686</id>
	<title>Isn't that how we make cold joints</title>
	<author>MarcAuslander</author>
	<datestamp>1267784220000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext>In soldering 101 I learned that if you put hot solder on cold metal, the solder doesn't really wet the joint, and you will get early or immediate failure of conductivity.  You can even accidentally create a diode.

So why will this work?</htmltext>
<tokenext>In soldering 101 I learned that if you put hot solder on cold metal , the solder does n't really wet the joint , and you will get early or immediate failure of conductivity .
You can even accidentally create a diode .
So why will this work ?</tokentext>
<sentencetext>In soldering 101 I learned that if you put hot solder on cold metal, the solder doesn't really wet the joint, and you will get early or immediate failure of conductivity.
You can even accidentally create a diode.
So why will this work?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375356</id>
	<title>JB Weld</title>
	<author>Anonymous</author>
	<datestamp>1267782360000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>4</modscore>
	<htmltext><p>JB Weld contains so much iron particulate in suspension that it responds to a magnetic field.  If it weren't for the fact that the particles are so much larger and get drawn out of suspension and toward the magnet, it might be possible to speed-cure the stuff with this same trick.</p></htmltext>
<tokenext>JB Weld contains so much iron particulate in suspension that it responds to a magnetic field .
If it were n't for the fact that the particles are so much larger and get drawn out of suspension and toward the magnet , it might be possible to speed-cure the stuff with this same trick .</tokentext>
<sentencetext>JB Weld contains so much iron particulate in suspension that it responds to a magnetic field.
If it weren't for the fact that the particles are so much larger and get drawn out of suspension and toward the magnet, it might be possible to speed-cure the stuff with this same trick.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375190</id>
	<title>the real question</title>
	<author>jollyreaper</author>
	<datestamp>1267781460000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext><p>Will Microsoft install a magnetic field generator in the next Xbox to ensure the solder fails there, too?</p></htmltext>
<tokenext>Will Microsoft install a magnetic field generator in the next Xbox to ensure the solder fails there , too ?</tokentext>
<sentencetext>Will Microsoft install a magnetic field generator in the next Xbox to ensure the solder fails there, too?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375340</id>
	<title>Re:Accidental reflow?</title>
	<author>Anonymous</author>
	<datestamp>1267782240000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>If the soldering was done using this technique your chips would never get a good solder joint in the first place. Ever "cold soldered" (not heated a joint up enough)? Yeah, it doesn't work well - the solder doesn't adhere. Now, you can make up for this by heating the solder even hotter so it spreads its heat to the joint - but then you may as well have soldered the normal way.</htmltext>
<tokenext>If the soldering was done using this technique your chips would never get a good solder joint in the first place .
Ever " cold soldered " ( not heated a joint up enough ) ?
Yeah , it does n't work well - the solder does n't adhere .
Now , you can make up for this by heating the solder even hotter so it spreads its heat to the joint - but then you may as well have soldered the normal way .</tokentext>
<sentencetext>If the soldering was done using this technique your chips would never get a good solder joint in the first place.
Ever "cold soldered" (not heated a joint up enough)?
Yeah, it doesn't work well - the solder doesn't adhere.
Now, you can make up for this by heating the solder even hotter so it spreads its heat to the joint - but then you may as well have soldered the normal way.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375204</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375294</id>
	<title>Re:Wait....</title>
	<author>Anonymous</author>
	<datestamp>1267782000000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Sounds to me like the heat can be applied more precisely with this method than the current method.</p><p>Fairly sure there is wood glue that does hold much stronger if you heat it while it sets.</p></htmltext>
<tokenext>Sounds to me like the heat can be applied more precisely with this method than the current method.Fairly sure there is wood glue that does hold much stronger if you heat it while it sets .</tokentext>
<sentencetext>Sounds to me like the heat can be applied more precisely with this method than the current method.Fairly sure there is wood glue that does hold much stronger if you heat it while it sets.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375130</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375248</id>
	<title>What happens...</title>
	<author>grub</author>
	<datestamp>1267781700000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><br>What happens if the finished product is exposed to a strong magnetic field? Does it all fall apart?</htmltext>
<tokenext>What happens if the finished product is exposed to a strong magnetic field ?
Does it all fall apart ?</tokentext>
<sentencetext>What happens if the finished product is exposed to a strong magnetic field?
Does it all fall apart?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31377422</id>
	<title>Re:the real question</title>
	<author>Anonymous</author>
	<datestamp>1267796580000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>so what is the point of a jab at Microsoft????? Obviously, some sees MSFT in everything</p></htmltext>
<tokenext>so what is the point of a jab at Microsoft ? ? ? ? ?
Obviously , some sees MSFT in everything</tokentext>
<sentencetext>so what is the point of a jab at Microsoft?????
Obviously, some sees MSFT in everything</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375190</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375700</id>
	<title>Re:iron, huh?</title>
	<author>Anonymous</author>
	<datestamp>1267784340000</datestamp>
	<modclass>Funny</modclass>
	<modscore>4</modscore>
	<htmltext><p><div class="quote"><p> (which yes, wouldn't bond to SnAg)</p> </div><p>With a chemical formula like that, how can it <i>not</i> bond?</p></div>
	</htmltext>
<tokenext>( which yes , would n't bond to SnAg ) With a chemical formula like that , how can it not bond ?</tokentext>
<sentencetext> (which yes, wouldn't bond to SnAg) With a chemical formula like that, how can it not bond?
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375206</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31376268</id>
	<title>Re:iron, huh?</title>
	<author>NicknamesAreStupid</author>
	<datestamp>1267787580000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>In the constant presence of a directional current, the iron might migrate.  There are already migration problems in lead-free solder -- <a href="http://ieeexplore.ieee.org/xpls/abs\_all.jsp?arnumber=4607147" title="ieee.org">http://ieeexplore.ieee.org/xpls/abs\_all.jsp?arnumber=4607147</a> [ieee.org].  Depending on the joint and quality of work, your PC might someday wear out, and I am not talking about the fans or disc drives.</htmltext>
<tokenext>In the constant presence of a directional current , the iron might migrate .
There are already migration problems in lead-free solder -- http : //ieeexplore.ieee.org/xpls/abs \ _all.jsp ? arnumber = 4607147 [ ieee.org ] .
Depending on the joint and quality of work , your PC might someday wear out , and I am not talking about the fans or disc drives .</tokentext>
<sentencetext>In the constant presence of a directional current, the iron might migrate.
There are already migration problems in lead-free solder -- http://ieeexplore.ieee.org/xpls/abs\_all.jsp?arnumber=4607147 [ieee.org].
Depending on the joint and quality of work, your PC might someday wear out, and I am not talking about the fans or disc drives.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375206</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375096</id>
	<title>Is methane involved?</title>
	<author>Anonymous</author>
	<datestamp>1267780920000</datestamp>
	<modclass>Offtopic</modclass>
	<modscore>-1</modscore>
	<htmltext><p>I gotz to know !</p></htmltext>
<tokenext>I gotz to know !</tokentext>
<sentencetext>I gotz to know !</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375516</id>
	<title>Re:magnetic field?</title>
	<author>TeknoHog</author>
	<datestamp>1267783260000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>
Magnetic flux is simply the area integral of magnetic field strength. You can't have one without the other. (For the pedantic, the integrand here is actually magnetic flux density, which is proportional to magnetic field strength.)
</p><p>
However, for inductive heating you need a time-varying magnetic flux, which in this case is probably achieved by varying the field strength. The field can still be aligned on an axis, so the method works anyway.
</p></htmltext>
<tokenext>Magnetic flux is simply the area integral of magnetic field strength .
You ca n't have one without the other .
( For the pedantic , the integrand here is actually magnetic flux density , which is proportional to magnetic field strength .
) However , for inductive heating you need a time-varying magnetic flux , which in this case is probably achieved by varying the field strength .
The field can still be aligned on an axis , so the method works anyway .</tokentext>
<sentencetext>
Magnetic flux is simply the area integral of magnetic field strength.
You can't have one without the other.
(For the pedantic, the integrand here is actually magnetic flux density, which is proportional to magnetic field strength.
)

However, for inductive heating you need a time-varying magnetic flux, which in this case is probably achieved by varying the field strength.
The field can still be aligned on an axis, so the method works anyway.
</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375296</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375684</id>
	<title>air-conditioned ferrous camo for the troops?</title>
	<author>archangel9</author>
	<datestamp>1267784220000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I read that "New Heat-Reduced Magnetic <i>Soldier</i>..."</htmltext>
<tokenext>I read that " New Heat-Reduced Magnetic Soldier... "</tokentext>
<sentencetext>I read that "New Heat-Reduced Magnetic Soldier..."</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31377994</id>
	<title>Re:iron, huh?</title>
	<author>Anonymous</author>
	<datestamp>1267802580000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Electromigration might be an issue, as well.</p></htmltext>
<tokenext>Electromigration might be an issue , as well .</tokentext>
<sentencetext>Electromigration might be an issue, as well.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375206</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375130</id>
	<title>Wait....</title>
	<author>Anonymous</author>
	<datestamp>1267781100000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>1</modscore>
	<htmltext>...Using magnets to solder magnetic sensetive components?  Ive got this great idea for a better wood glue! just expose it to fire and it holds 10x stronger and faster!</htmltext>
<tokenext>...Using magnets to solder magnetic sensetive components ?
Ive got this great idea for a better wood glue !
just expose it to fire and it holds 10x stronger and faster !</tokentext>
<sentencetext>...Using magnets to solder magnetic sensetive components?
Ive got this great idea for a better wood glue!
just expose it to fire and it holds 10x stronger and faster!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375144</id>
	<title>What about the RF characteristics?</title>
	<author>Anonymous</author>
	<datestamp>1267781220000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext><p>How much iron are we talking about?   Is this tantamount to having ferrite beads on all connections now?</p><p>-jcr</p></htmltext>
<tokenext>How much iron are we talking about ?
Is this tantamount to having ferrite beads on all connections now ? -jcr</tokentext>
<sentencetext>How much iron are we talking about?
Is this tantamount to having ferrite beads on all connections now?-jcr</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31376734</id>
	<title>Re:Impact on formation of Tin Whiskers?</title>
	<author>PhoenixBurn</author>
	<datestamp>1267790400000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Why would you want a tin of whiskas on your circuit board?<nobr> <wbr></nobr>:o
<a href="http://www.whiskas.com.au/WhiskasAU/en-AU/food/can/default.htm" title="whiskas.com.au" rel="nofollow">http://www.whiskas.com.au/WhiskasAU/en-AU/food/can/default.htm</a> [whiskas.com.au]</htmltext>
<tokenext>Why would you want a tin of whiskas on your circuit board ?
: o http : //www.whiskas.com.au/WhiskasAU/en-AU/food/can/default.htm [ whiskas.com.au ]</tokentext>
<sentencetext>Why would you want a tin of whiskas on your circuit board?
:o
http://www.whiskas.com.au/WhiskasAU/en-AU/food/can/default.htm [whiskas.com.au]</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375656</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375242</id>
	<title>Re:Wait....</title>
	<author>ircmaxell</author>
	<datestamp>1267781700000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>FTFS:<blockquote><div><p>In contrast, the magnetic solder can be pulled up through silicon by using a relatively weak magnet</p></div></blockquote><p>  So it depends on their definition of relatively...  Is that a household kitchen magnet (which would do little damage to most magnetic sensitive components once removed from the chip)?  Or is it a 0.5T magnet (that's relatively weak compared to most MRI magnets and would likely saturate most magnetic sensitive components to the point of failure)?</p></div>
	</htmltext>
<tokenext>FTFS : In contrast , the magnetic solder can be pulled up through silicon by using a relatively weak magnet So it depends on their definition of relatively... Is that a household kitchen magnet ( which would do little damage to most magnetic sensitive components once removed from the chip ) ?
Or is it a 0.5T magnet ( that 's relatively weak compared to most MRI magnets and would likely saturate most magnetic sensitive components to the point of failure ) ?</tokentext>
<sentencetext>FTFS:In contrast, the magnetic solder can be pulled up through silicon by using a relatively weak magnet  So it depends on their definition of relatively...  Is that a household kitchen magnet (which would do little damage to most magnetic sensitive components once removed from the chip)?
Or is it a 0.5T magnet (that's relatively weak compared to most MRI magnets and would likely saturate most magnetic sensitive components to the point of failure)?
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375130</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375732</id>
	<title>Iron Particles... &lt;hmmm&gt;</title>
	<author>FlyingGuy</author>
	<datestamp>1267784460000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Well ok, if the iron particles heat up that's fine it melts the solder. But after that I can't see them adding anything in the way of strength since last I knew, a solder joint was a Covalent Bond, not a mechanical one.</p><p>Anyone know if you can get a covalent bond between iron and tin/silver?  The whole connection is based on the covalent bond between copper and silver/lead/tin.  Not being a chemist I am not sure if these things matter or not.</p><p>Now the other part is, how does one keep said iron particles from getting between the pad and the lead?  You want the thinnest solder joint between the two actual surfaces so if the iron particles ( yes I know they are small ) get between would that not weaken the actual bond itself?</p></htmltext>
<tokenext>Well ok , if the iron particles heat up that 's fine it melts the solder .
But after that I ca n't see them adding anything in the way of strength since last I knew , a solder joint was a Covalent Bond , not a mechanical one.Anyone know if you can get a covalent bond between iron and tin/silver ?
The whole connection is based on the covalent bond between copper and silver/lead/tin .
Not being a chemist I am not sure if these things matter or not.Now the other part is , how does one keep said iron particles from getting between the pad and the lead ?
You want the thinnest solder joint between the two actual surfaces so if the iron particles ( yes I know they are small ) get between would that not weaken the actual bond itself ?</tokentext>
<sentencetext>Well ok, if the iron particles heat up that's fine it melts the solder.
But after that I can't see them adding anything in the way of strength since last I knew, a solder joint was a Covalent Bond, not a mechanical one.Anyone know if you can get a covalent bond between iron and tin/silver?
The whole connection is based on the covalent bond between copper and silver/lead/tin.
Not being a chemist I am not sure if these things matter or not.Now the other part is, how does one keep said iron particles from getting between the pad and the lead?
You want the thinnest solder joint between the two actual surfaces so if the iron particles ( yes I know they are small ) get between would that not weaken the actual bond itself?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375206</id>
	<title>iron, huh?</title>
	<author>metamechanical</author>
	<datestamp>1267781520000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext><p><div class="quote"><p>The result is a tin-silver alloy that contains a dispersion of iron particles tens of micrometers in diameter.</p></div><p>Not saying it can't work, as the above is light on precise chemistry, but in an alloy like this, you're bound to have atoms floating around... say, to the surface of the deposition... where it will <i>oxidize</i>.  And something like <a href="http://en.wikipedia.org/wiki/Organic\_Solderability\_Preservative" title="wikipedia.org">OSP</a> [wikipedia.org] (which yes, wouldn't bond to SnAg) only lasts so long in storage... Don't we already have ENOUGH problems with solder joint oxidation?  I look forward to seeing how this issue is addressed.</p></div>
	</htmltext>
<tokenext>The result is a tin-silver alloy that contains a dispersion of iron particles tens of micrometers in diameter.Not saying it ca n't work , as the above is light on precise chemistry , but in an alloy like this , you 're bound to have atoms floating around... say , to the surface of the deposition... where it will oxidize .
And something like OSP [ wikipedia.org ] ( which yes , would n't bond to SnAg ) only lasts so long in storage... Do n't we already have ENOUGH problems with solder joint oxidation ?
I look forward to seeing how this issue is addressed .</tokentext>
<sentencetext>The result is a tin-silver alloy that contains a dispersion of iron particles tens of micrometers in diameter.Not saying it can't work, as the above is light on precise chemistry, but in an alloy like this, you're bound to have atoms floating around... say, to the surface of the deposition... where it will oxidize.
And something like OSP [wikipedia.org] (which yes, wouldn't bond to SnAg) only lasts so long in storage... Don't we already have ENOUGH problems with solder joint oxidation?
I look forward to seeing how this issue is addressed.
	</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31378454</id>
	<title>Re:iron, huh?</title>
	<author>Anonymous</author>
	<datestamp>1267807080000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>If this guy has invented solder that turns stronger as it rusts then he's made lifetime impregnable solder that's like the original Blackbird. I would like to shake the hand of the daughter of the smartest man I ever met. Oops =&gt; overtones of Armageddon, overtones of Armageddon here! Rust enveloped computer circuits are harder than the damn asteroid, throw in another transmission.</p></htmltext>
<tokenext>If this guy has invented solder that turns stronger as it rusts then he 's made lifetime impregnable solder that 's like the original Blackbird .
I would like to shake the hand of the daughter of the smartest man I ever met .
Oops = &gt; overtones of Armageddon , overtones of Armageddon here !
Rust enveloped computer circuits are harder than the damn asteroid , throw in another transmission .</tokentext>
<sentencetext>If this guy has invented solder that turns stronger as it rusts then he's made lifetime impregnable solder that's like the original Blackbird.
I would like to shake the hand of the daughter of the smartest man I ever met.
Oops =&gt; overtones of Armageddon, overtones of Armageddon here!
Rust enveloped computer circuits are harder than the damn asteroid, throw in another transmission.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375206</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375978</id>
	<title>"Magnetic sensitive components"?</title>
	<author>DeadCatX2</author>
	<datestamp>1267785600000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>4</modscore>
	<htmltext><p>When you bring a magnet near a PC, the damage is done to magnetic recording media, not the chips.  Silicon is not generally sensitive to magnetic fields.  <a href="http://www.magconcept.com/MRI/index.php?page=products" title="magconcept.com">This guy</a> [magconcept.com] has managed to put a video game controllers, keyboards, and mice inside an MRI bore.  If those integrated circuits can work in a 3T magnetic field, I'm pretty sure it can survive this new magnetic assembly technique.</p></htmltext>
<tokenext>When you bring a magnet near a PC , the damage is done to magnetic recording media , not the chips .
Silicon is not generally sensitive to magnetic fields .
This guy [ magconcept.com ] has managed to put a video game controllers , keyboards , and mice inside an MRI bore .
If those integrated circuits can work in a 3T magnetic field , I 'm pretty sure it can survive this new magnetic assembly technique .</tokentext>
<sentencetext>When you bring a magnet near a PC, the damage is done to magnetic recording media, not the chips.
Silicon is not generally sensitive to magnetic fields.
This guy [magconcept.com] has managed to put a video game controllers, keyboards, and mice inside an MRI bore.
If those integrated circuits can work in a 3T magnetic field, I'm pretty sure it can survive this new magnetic assembly technique.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375130</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31376076</id>
	<title>Cool</title>
	<author>Locke2005</author>
	<datestamp>1267786380000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Sounds like just the technology I need to speed up assembly of the new MRI machine I'm building... D'oh!</htmltext>
<tokenext>Sounds like just the technology I need to speed up assembly of the new MRI machine I 'm building... D'oh !</tokentext>
<sentencetext>Sounds like just the technology I need to speed up assembly of the new MRI machine I'm building... D'oh!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375512</id>
	<title>Dispersion hardener</title>
	<author>systemeng</author>
	<datestamp>1267783200000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>This sounds like this would use a very high intensity high frequency magnetic field tuned to make the iron particles resonate and heat the material.  I suspect it would be like normal solder with some iron particles.  As a bonus, small iron particles would act a a dispersion hardener in the alloy.  It's also quite possible that the particles are actually nanoparticles of iron rather than micrometer sized ones as this size range works better as a dispersion hardener.</htmltext>
<tokenext>This sounds like this would use a very high intensity high frequency magnetic field tuned to make the iron particles resonate and heat the material .
I suspect it would be like normal solder with some iron particles .
As a bonus , small iron particles would act a a dispersion hardener in the alloy .
It 's also quite possible that the particles are actually nanoparticles of iron rather than micrometer sized ones as this size range works better as a dispersion hardener .</tokentext>
<sentencetext>This sounds like this would use a very high intensity high frequency magnetic field tuned to make the iron particles resonate and heat the material.
I suspect it would be like normal solder with some iron particles.
As a bonus, small iron particles would act a a dispersion hardener in the alloy.
It's also quite possible that the particles are actually nanoparticles of iron rather than micrometer sized ones as this size range works better as a dispersion hardener.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375514</id>
	<title>Re:Accidental reflow?</title>
	<author>moteyalpha</author>
	<datestamp>1267783260000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext>What about -intentional- reflow. It would be useless for Mil Spec certainly and I would guess that war walking could take on a new level of meaning. It would be interesting if they used multipurpose dies that could be connected and recycled to a new configuration. Oh yes, liquid metal terminator brains. Mmm brains.</htmltext>
<tokenext>What about -intentional- reflow .
It would be useless for Mil Spec certainly and I would guess that war walking could take on a new level of meaning .
It would be interesting if they used multipurpose dies that could be connected and recycled to a new configuration .
Oh yes , liquid metal terminator brains .
Mmm brains .</tokentext>
<sentencetext>What about -intentional- reflow.
It would be useless for Mil Spec certainly and I would guess that war walking could take on a new level of meaning.
It would be interesting if they used multipurpose dies that could be connected and recycled to a new configuration.
Oh yes, liquid metal terminator brains.
Mmm brains.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375204</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375924</id>
	<title>No whiskering.</title>
	<author>OmniGeek</author>
	<datestamp>1267785360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Tin whiskers only form in the presence of pure tin, as in a tinned PC board trace or component lead. Combine the tin with lead or silver or anything else, and the pure tin crystal structure won't happen, hence no whisker formation. Tin whiskers (dendrites) form when a layer of pure tin is mechanically stressed; the tin recrystallizes as dendrites in response to the strain on the crystal lattice. The recent increase in tin whiskering is due in part to hazmat-reduction regulations that discourage the use of lead solder, causing manufacturers to plate component leads in tin rather than lead-bearing solder.</p></htmltext>
<tokenext>Tin whiskers only form in the presence of pure tin , as in a tinned PC board trace or component lead .
Combine the tin with lead or silver or anything else , and the pure tin crystal structure wo n't happen , hence no whisker formation .
Tin whiskers ( dendrites ) form when a layer of pure tin is mechanically stressed ; the tin recrystallizes as dendrites in response to the strain on the crystal lattice .
The recent increase in tin whiskering is due in part to hazmat-reduction regulations that discourage the use of lead solder , causing manufacturers to plate component leads in tin rather than lead-bearing solder .</tokentext>
<sentencetext>Tin whiskers only form in the presence of pure tin, as in a tinned PC board trace or component lead.
Combine the tin with lead or silver or anything else, and the pure tin crystal structure won't happen, hence no whisker formation.
Tin whiskers (dendrites) form when a layer of pure tin is mechanically stressed; the tin recrystallizes as dendrites in response to the strain on the crystal lattice.
The recent increase in tin whiskering is due in part to hazmat-reduction regulations that discourage the use of lead solder, causing manufacturers to plate component leads in tin rather than lead-bearing solder.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375656</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375394</id>
	<title>Re:magnetic field?</title>
	<author>metamechanical</author>
	<datestamp>1267782480000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p><div class="quote"><blockquote><div><p>When a magnetic field is applied to the solders [they heat up]</p></div></blockquote><p>Not to be pedantic, but this is the Internet... They are applying magnetic <i>flux</i> to their solder, not just a magnetic field. A field doesn't impart any energy.</p></div><p>Perhaps true, but keep in mind that in the context of Solder, <a href="http://en.wikipedia.org/wiki/Flux\_(metallurgy)" title="wikipedia.org">"Flux"</a> [wikipedia.org] has an entirely different meaning.</p></div>
	</htmltext>
<tokenext>When a magnetic field is applied to the solders [ they heat up ] Not to be pedantic , but this is the Internet... They are applying magnetic flux to their solder , not just a magnetic field .
A field does n't impart any energy.Perhaps true , but keep in mind that in the context of Solder , " Flux " [ wikipedia.org ] has an entirely different meaning .</tokentext>
<sentencetext>When a magnetic field is applied to the solders [they heat up]Not to be pedantic, but this is the Internet... They are applying magnetic flux to their solder, not just a magnetic field.
A field doesn't impart any energy.Perhaps true, but keep in mind that in the context of Solder, "Flux" [wikipedia.org] has an entirely different meaning.
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375296</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375316</id>
	<title>Re:Accidental reflow?</title>
	<author>Carnildo</author>
	<datestamp>1267782120000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><blockquote><div><p>How weak are we talking about here? I wouldn't want my chips to become desoldered just because they were exposed to an electromagnetic field. The article didn't mention any thing about that.</p></div></blockquote><p>It works through <a href="http://en.wikipedia.org/wiki/Induction\_heating" title="wikipedia.org">induction heating</a> [wikipedia.org], which requires a time-varying magnetic field.  It's perfectly safe to use refrigerator magnets to stick things to your computer case, but you might have trouble using these new chips in the computer's speakers.</p></div>
	</htmltext>
<tokenext>How weak are we talking about here ?
I would n't want my chips to become desoldered just because they were exposed to an electromagnetic field .
The article did n't mention any thing about that.It works through induction heating [ wikipedia.org ] , which requires a time-varying magnetic field .
It 's perfectly safe to use refrigerator magnets to stick things to your computer case , but you might have trouble using these new chips in the computer 's speakers .</tokentext>
<sentencetext>How weak are we talking about here?
I wouldn't want my chips to become desoldered just because they were exposed to an electromagnetic field.
The article didn't mention any thing about that.It works through induction heating [wikipedia.org], which requires a time-varying magnetic field.
It's perfectly safe to use refrigerator magnets to stick things to your computer case, but you might have trouble using these new chips in the computer's speakers.
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375204</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31377948</id>
	<title>I don't get it</title>
	<author>Rogerborg</author>
	<datestamp>1267802160000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>The kdawson scripts posts the vapourware snake oil shill press releases.  What's the ScuttleMonkey script doing muscling in?</htmltext>
<tokenext>The kdawson scripts posts the vapourware snake oil shill press releases .
What 's the ScuttleMonkey script doing muscling in ?</tokentext>
<sentencetext>The kdawson scripts posts the vapourware snake oil shill press releases.
What's the ScuttleMonkey script doing muscling in?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375956</id>
	<title>Re:magnetic field?</title>
	<author>wizardforce</author>
	<datestamp>1267785540000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>You can't apply a magnetic field to a material where a field didn't previously act without having the field intensity fluctuate (flux).</p></htmltext>
<tokenext>You ca n't apply a magnetic field to a material where a field did n't previously act without having the field intensity fluctuate ( flux ) .</tokentext>
<sentencetext>You can't apply a magnetic field to a material where a field didn't previously act without having the field intensity fluctuate (flux).</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375296</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375546</id>
	<title>Re:What about the RF characteristics?</title>
	<author>Sponge Bath</author>
	<datestamp>1267783380000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext>I don't think the particles are spheres. The article says tens of microns in diameter, but also says the particles align to the magnetic field and never mentions spheres. I would guess the particles are cylindrical. Also pure iron has a permeability comparable to some ferrites.</htmltext>
<tokenext>I do n't think the particles are spheres .
The article says tens of microns in diameter , but also says the particles align to the magnetic field and never mentions spheres .
I would guess the particles are cylindrical .
Also pure iron has a permeability comparable to some ferrites .</tokentext>
<sentencetext>I don't think the particles are spheres.
The article says tens of microns in diameter, but also says the particles align to the magnetic field and never mentions spheres.
I would guess the particles are cylindrical.
Also pure iron has a permeability comparable to some ferrites.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375406</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375092</id>
	<title>YAAAAY!</title>
	<author>idontgno</author>
	<datestamp>1267780920000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>A way to solder those broken <a href="http://www.albinoblacksheep.com/flash/lobster" title="albinoblacksheep.com">lobsters!</a> [albinoblacksheep.com]</htmltext>
<tokenext>A way to solder those broken lobsters !
[ albinoblacksheep.com ]</tokentext>
<sentencetext>A way to solder those broken lobsters!
[albinoblacksheep.com]</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375262</id>
	<title>How small are the particles?</title>
	<author>dwiget001</author>
	<datestamp>1267781820000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>I would prefer the iron particles to be exactly 10 microns in size, and not 10 micrometers, as it makes the process a whole lot cleaner....</p></htmltext>
<tokenext>I would prefer the iron particles to be exactly 10 microns in size , and not 10 micrometers , as it makes the process a whole lot cleaner... .</tokentext>
<sentencetext>I would prefer the iron particles to be exactly 10 microns in size, and not 10 micrometers, as it makes the process a whole lot cleaner....</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375400</id>
	<title>Re:What about the RF characteristics?</title>
	<author>macraig</author>
	<datestamp>1267782540000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Maybe about the same amount found in JB Weld, only much much finer particles.</p></htmltext>
<tokenext>Maybe about the same amount found in JB Weld , only much much finer particles .</tokentext>
<sentencetext>Maybe about the same amount found in JB Weld, only much much finer particles.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375144</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375414</id>
	<title>Seems to be based on core loss</title>
	<author>grimsnaggle</author>
	<datestamp>1267782660000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>Solder is already conductive, so the eddy current losses won't be localized in the iron particles. Further, copper traces are even more conductive.</p><p>This must be based on the hysteresis losses in the iron B-H curves. That means he's probably got a very high frequency magnetic field generator that he's using to heat up the iron. Seems like a simple principle.</p><p>That said, I still don't want iron filings in my solder!</p></htmltext>
<tokenext>Solder is already conductive , so the eddy current losses wo n't be localized in the iron particles .
Further , copper traces are even more conductive.This must be based on the hysteresis losses in the iron B-H curves .
That means he 's probably got a very high frequency magnetic field generator that he 's using to heat up the iron .
Seems like a simple principle.That said , I still do n't want iron filings in my solder !</tokentext>
<sentencetext>Solder is already conductive, so the eddy current losses won't be localized in the iron particles.
Further, copper traces are even more conductive.This must be based on the hysteresis losses in the iron B-H curves.
That means he's probably got a very high frequency magnetic field generator that he's using to heat up the iron.
Seems like a simple principle.That said, I still don't want iron filings in my solder!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31377136</id>
	<title>Re:Isn't that how we make cold joints</title>
	<author>mikael</author>
	<datestamp>1267793580000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>It's for use with assembly line <a href="http://en.wikipedia.org/wiki/Surface-mount\_technology" title="wikipedia.org">surface mount technology </a> [wikipedia.org]</p><p><i>The boards are then conveyed into the reflow soldering oven. They first enter a pre-heat zone, where the temperature of the board and all the components is gradually, uniformly raised. The boards then enter a zone where the temperature is high enough to melt the solder particles in the solder paste, bonding the component leads to the pads on the circuit board. The surface tension of the molten solder helps keep the components in place, and if the solder pad geometries are correctly designed, surface tension automatically aligns the components on their pads. There are a number of techniques for reflowing solder. One is to use infrared lamps; this is called infrared reflow. Another is to use a hot gas convection. Another technology which is becoming popular again is special fluorocarbon liquids with high boiling points which use a method called vapor phase reflow. Due to environmental concerns, this method was falling out of favor until lead-free legislation was introduced which requires tighter controls on soldering. Currently, at the end of 2008, convection soldering is the most popular reflow technology using either standard air or nitrogen gas.<br></i><br>The researchers are proposing to replace these methods with a high-frequency oscillating magnetic field that would heat the solder to melting point</p></htmltext>
<tokenext>It 's for use with assembly line surface mount technology [ wikipedia.org ] The boards are then conveyed into the reflow soldering oven .
They first enter a pre-heat zone , where the temperature of the board and all the components is gradually , uniformly raised .
The boards then enter a zone where the temperature is high enough to melt the solder particles in the solder paste , bonding the component leads to the pads on the circuit board .
The surface tension of the molten solder helps keep the components in place , and if the solder pad geometries are correctly designed , surface tension automatically aligns the components on their pads .
There are a number of techniques for reflowing solder .
One is to use infrared lamps ; this is called infrared reflow .
Another is to use a hot gas convection .
Another technology which is becoming popular again is special fluorocarbon liquids with high boiling points which use a method called vapor phase reflow .
Due to environmental concerns , this method was falling out of favor until lead-free legislation was introduced which requires tighter controls on soldering .
Currently , at the end of 2008 , convection soldering is the most popular reflow technology using either standard air or nitrogen gas.The researchers are proposing to replace these methods with a high-frequency oscillating magnetic field that would heat the solder to melting point</tokentext>
<sentencetext>It's for use with assembly line surface mount technology  [wikipedia.org]The boards are then conveyed into the reflow soldering oven.
They first enter a pre-heat zone, where the temperature of the board and all the components is gradually, uniformly raised.
The boards then enter a zone where the temperature is high enough to melt the solder particles in the solder paste, bonding the component leads to the pads on the circuit board.
The surface tension of the molten solder helps keep the components in place, and if the solder pad geometries are correctly designed, surface tension automatically aligns the components on their pads.
There are a number of techniques for reflowing solder.
One is to use infrared lamps; this is called infrared reflow.
Another is to use a hot gas convection.
Another technology which is becoming popular again is special fluorocarbon liquids with high boiling points which use a method called vapor phase reflow.
Due to environmental concerns, this method was falling out of favor until lead-free legislation was introduced which requires tighter controls on soldering.
Currently, at the end of 2008, convection soldering is the most popular reflow technology using either standard air or nitrogen gas.The researchers are proposing to replace these methods with a high-frequency oscillating magnetic field that would heat the solder to melting point</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375686</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375204</id>
	<title>Accidental reflow?</title>
	<author>pavon</author>
	<datestamp>1267781520000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>3</modscore>
	<htmltext><p>From the article:</p><p><div class="quote"><p>A new type of solder can be melted and shaped in three dimensions under the force of a weak magnetic field</p></div><p>How weak are we talking about here? I wouldn't want my chips to become desoldered just because they were exposed to an electromagnetic field. The article didn't mention any thing about that.</p></div>
	</htmltext>
<tokenext>From the article : A new type of solder can be melted and shaped in three dimensions under the force of a weak magnetic fieldHow weak are we talking about here ?
I would n't want my chips to become desoldered just because they were exposed to an electromagnetic field .
The article did n't mention any thing about that .</tokentext>
<sentencetext>From the article:A new type of solder can be melted and shaped in three dimensions under the force of a weak magnetic fieldHow weak are we talking about here?
I wouldn't want my chips to become desoldered just because they were exposed to an electromagnetic field.
The article didn't mention any thing about that.
	</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375854</id>
	<title>Re:What about the RF characteristics?</title>
	<author>derGoldstein</author>
	<datestamp>1267785000000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>It responds to a magnetic field, so it'll effect the inductive characteristics of the circuit. This would seriously mess up any high-frequency circuit. Unless you can "remove" the ferromagnetic element from the solder once you're done shaping it, this is a big hurdle.</htmltext>
<tokenext>It responds to a magnetic field , so it 'll effect the inductive characteristics of the circuit .
This would seriously mess up any high-frequency circuit .
Unless you can " remove " the ferromagnetic element from the solder once you 're done shaping it , this is a big hurdle .</tokentext>
<sentencetext>It responds to a magnetic field, so it'll effect the inductive characteristics of the circuit.
This would seriously mess up any high-frequency circuit.
Unless you can "remove" the ferromagnetic element from the solder once you're done shaping it, this is a big hurdle.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375406</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375656</id>
	<title>Impact on formation of Tin Whiskers?</title>
	<author>jr0dy</author>
	<datestamp>1267784040000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Anyone have any ideas as to what impact this may have on the formation of "tin whiskers"? <a href="http://ask.slashdot.org/story/08/06/15/1732216/Tin-Whiskers-mdash-Fact-Or-Fiction?art\_pos=1" title="slashdot.org" rel="nofollow">Slashdot article on 6/15/08 re: Tin Whiskers</a> [slashdot.org]</htmltext>
<tokenext>Anyone have any ideas as to what impact this may have on the formation of " tin whiskers " ?
Slashdot article on 6/15/08 re : Tin Whiskers [ slashdot.org ]</tokentext>
<sentencetext>Anyone have any ideas as to what impact this may have on the formation of "tin whiskers"?
Slashdot article on 6/15/08 re: Tin Whiskers [slashdot.org]</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375406</id>
	<title>Re:What about the RF characteristics?</title>
	<author>Anonymous</author>
	<datestamp>1267782540000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext>No. First, iron and ferrite are not always the same thing, so it might just be iron in the solder. Second, the geometry matters, and the spheres are not beads.</htmltext>
<tokenext>No .
First , iron and ferrite are not always the same thing , so it might just be iron in the solder .
Second , the geometry matters , and the spheres are not beads .</tokentext>
<sentencetext>No.
First, iron and ferrite are not always the same thing, so it might just be iron in the solder.
Second, the geometry matters, and the spheres are not beads.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375144</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375706</id>
	<title>No useful details in the article.</title>
	<author>Anonymous</author>
	<datestamp>1267784400000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>3</modscore>
	<htmltext><i>"When a magnetic field is applied to the solders, two things happen. First, the iron particles heat up, locally melting the solder. This localized heating, which works on the same principle as inductive stoves, remains completely contained, keeping the surrounding area cool."</i>

<br> <br>Quote from ScuttleMonkey, the Slashdot editor: <i>"Details are scant..."</i>

<br> <br>Neither the Slashdot editor or the writer of the linked article understand the physics. Magnetic fields cause something to heat only if the field is rapidly changing. Then the magnetic field causes everything conductive to heat, including iron particles.</div>
	</htmltext>
<tokenext>" When a magnetic field is applied to the solders , two things happen .
First , the iron particles heat up , locally melting the solder .
This localized heating , which works on the same principle as inductive stoves , remains completely contained , keeping the surrounding area cool .
" Quote from ScuttleMonkey , the Slashdot editor : " Details are scant... " Neither the Slashdot editor or the writer of the linked article understand the physics .
Magnetic fields cause something to heat only if the field is rapidly changing .
Then the magnetic field causes everything conductive to heat , including iron particles .</tokentext>
<sentencetext>"When a magnetic field is applied to the solders, two things happen.
First, the iron particles heat up, locally melting the solder.
This localized heating, which works on the same principle as inductive stoves, remains completely contained, keeping the surrounding area cool.
"

 Quote from ScuttleMonkey, the Slashdot editor: "Details are scant..."

 Neither the Slashdot editor or the writer of the linked article understand the physics.
Magnetic fields cause something to heat only if the field is rapidly changing.
Then the magnetic field causes everything conductive to heat, including iron particles.
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375242</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31401938</id>
	<title>Useful in phase-change memory manufacturing?</title>
	<author>the\_olo</author>
	<datestamp>1268070900000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>AFAIR, a major problem before <a href="http://en.wikipedia.org/wiki/Phase-change\_memory" title="wikipedia.org">phase-change memory</a> [wikipedia.org] can become a flash memory replacement is its sensitivity to heat and the resulting modifications that producers would have to introduce to their manufacturing processes (e.g. putting data on the memory chips after, not before assembling).

</p><p>Would this technology lift this requirement from them by lowering the tempeartures involved in the soldering process?</p></htmltext>
<tokenext>AFAIR , a major problem before phase-change memory [ wikipedia.org ] can become a flash memory replacement is its sensitivity to heat and the resulting modifications that producers would have to introduce to their manufacturing processes ( e.g .
putting data on the memory chips after , not before assembling ) .
Would this technology lift this requirement from them by lowering the tempeartures involved in the soldering process ?</tokentext>
<sentencetext>AFAIR, a major problem before phase-change memory [wikipedia.org] can become a flash memory replacement is its sensitivity to heat and the resulting modifications that producers would have to introduce to their manufacturing processes (e.g.
putting data on the memory chips after, not before assembling).
Would this technology lift this requirement from them by lowering the tempeartures involved in the soldering process?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375542</id>
	<title>How about damage to the chip</title>
	<author>aarenz</author>
	<datestamp>1267783320000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>This may work in testing, but does the field that is required to make the solder melt going to have impact on the very delicate circuits in a CPU or other chip. That is why the details are closed, because there are other problems.</htmltext>
<tokenext>This may work in testing , but does the field that is required to make the solder melt going to have impact on the very delicate circuits in a CPU or other chip .
That is why the details are closed , because there are other problems .</tokentext>
<sentencetext>This may work in testing, but does the field that is required to make the solder melt going to have impact on the very delicate circuits in a CPU or other chip.
That is why the details are closed, because there are other problems.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31377160</id>
	<title>Yeah</title>
	<author>NetNed</author>
	<datestamp>1267793820000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>But does it beat <a href="http://www.asseenontv.com/prod-pages/heat\_cold\_soldering\_set.html" title="asseenontv.com" rel="nofollow">THIS!?</a> [asseenontv.com].</p></htmltext>
<tokenext>But does it beat THIS ! ?
[ asseenontv.com ] .</tokentext>
<sentencetext>But does it beat THIS!?
[asseenontv.com].</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375468</id>
	<title>Re:magnetic field?</title>
	<author>zippthorne</author>
	<datestamp>1267783020000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>Neither does magnetic flux.  Magnetic flux is a local property of the static field and not the same thing as EM flux.  It was a good pun, though.</p></htmltext>
<tokenext>Neither does magnetic flux .
Magnetic flux is a local property of the static field and not the same thing as EM flux .
It was a good pun , though .</tokentext>
<sentencetext>Neither does magnetic flux.
Magnetic flux is a local property of the static field and not the same thing as EM flux.
It was a good pun, though.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375296</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375296</id>
	<title>magnetic field?</title>
	<author>Lord Ender</author>
	<datestamp>1267782000000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>2</modscore>
	<htmltext><blockquote><div><p>When a magnetic field is applied to the solders [they heat up]</p></div></blockquote><p>Not to be pedantic, but this is the Internet... They are applying magnetic <i>flux</i> to their solder, not just a magnetic field. A field doesn't impart any energy.</p></div>
	</htmltext>
<tokenext>When a magnetic field is applied to the solders [ they heat up ] Not to be pedantic , but this is the Internet... They are applying magnetic flux to their solder , not just a magnetic field .
A field does n't impart any energy .</tokentext>
<sentencetext>When a magnetic field is applied to the solders [they heat up]Not to be pedantic, but this is the Internet... They are applying magnetic flux to their solder, not just a magnetic field.
A field doesn't impart any energy.
	</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31378194</id>
	<title>You're thinking in one area of geekiness.</title>
	<author>Khyber</author>
	<datestamp>1267804680000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>This could be absolutely awesome for surface-mounted diodes, which are quite sensitive to heat, requiring reflux soldering techniques for now.</p></htmltext>
<tokenext>This could be absolutely awesome for surface-mounted diodes , which are quite sensitive to heat , requiring reflux soldering techniques for now .</tokentext>
<sentencetext>This could be absolutely awesome for surface-mounted diodes, which are quite sensitive to heat, requiring reflux soldering techniques for now.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375130</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment10_03_05_1737209.31375714</id>
	<title>Similar principle</title>
	<author>eclectro</author>
	<datestamp>1267784400000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Is involved with the <a href="http://www.metcal.com/products/" title="metcal.com" rel="nofollow">metcal</a> [metcal.com] hand solder station, with the twist that there are magnetic particles in the solder.</p></htmltext>
<tokenext>Is involved with the metcal [ metcal.com ] hand solder station , with the twist that there are magnetic particles in the solder .</tokentext>
<sentencetext>Is involved with the metcal [metcal.com] hand solder station, with the twist that there are magnetic particles in the solder.</sentencetext>
</comment>
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