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diamond cooling properties

Posted: Thu Aug 18, 2011 5:09 am
by vargis14
I watched a NG show the other day called super diamonds.Most of you know about the hope diamond ,a blue diamond whats super about it is that like all diamonds it conducts heat better then anything,but along with that the hope diamond conducts electricity and it you hold a uv light over it,it will glow a blood red.Pretty kewl.
Anyways there was a demonstration using a man made 5 inch disk of diamond and one of pure copper,they set them both upright on a block of ice and i was amazed the whole diamond disk turned light blue on a flir camera tha same color the ice was showing,and it did it very fast over 5 times faster then the copper,and the copper wasnt as uniform in color.
Anyway do thy make a diamond based thermal paste made from industrial diamond dust mabey,not crushed up purdy diamonds:)
If anyone has found or tried a such paste feedback would be appreciated.
BTW according to the show Diamonds are the future of semiconductors,being that they are 5 times better then silicone,imagine a arm chip running at 5ghz and not needing any cooling.

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 5:20 am
by Mr.Lif
Ah yes. Diamond is indeed the best naturally occuring thermal conductor. Or at least as far as I know.
I saw a youtube video of some guy making thermal paste out of industrial diamond powder and mixing it with (what is it, silicon?) paste in an altoid's tin as the dust is invasive and can screw up your lungs pretty bad, and test it in relation to good old AS5 and several others. It showed a noticeable improvement.

While searching for said video after reading your post here I found that someone has gone one step further and created a thermal paste one can purchase. Here. I'm tempted to purchase some to see how well it goes myself.

As for other forms of diamond cooling (diamond heatsink maybe? A geek's best friend :lol: ) may be a little out of the question as of now. We can only hope.

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 7:10 am
by just brew it!
Well, we've had silver paste for years now; I guess it was just a matter of time before someone tried doing this. Seems fairly reasonable from a price standpoint too.

:lol: at them specifying the sizes of the packages based on the number of carats of diamond powder they contain...

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 7:59 am
by TurtlePerson2
I had a Materials Science professor that said on the first day of class: "We won't ever ask you what the best material for a particular application is. The answer is almost always diamond. The real question is what material is best for how much it costs."

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 11:26 am
by thegleek
just brew it! wrote:
Seems fairly reasonable from a price standpoint too.

OH! I'm so purchasing one of those!

just brew it! wrote:
:lol: at them specifying the sizes of the packages based on the number of carats of diamond powder they contain...

LOL yeah... I'll go with the 7 carat one for now... Doubt I'll need 24 carats for $20!

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 12:37 pm
by PainIs4ThaWeak1
Been using IC Diamond for about a year now. Haven't tested anything other than Artic Silver, and some OCZ stuff against it.

But in my opinion, it IS a noticable improvement over those mentioned.

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 1:45 pm
by UberGerbil
thegleek wrote:
LOL yeah... I'll go with the 7 carat one for now... Doubt I'll need 24 carats for $20!
For yourself, no. But the more carats the better when your girlfriend is showing her friends the heatsink you bought her...

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 2:30 pm
by continuum
TurtlePerson2 wrote:
The real question is what material is best for how much it costs."
LOL... indeed, indeed. I may have heard something similar the first day of one of my materials science classes...

Re: diamond cooling properties

Posted: Thu Aug 18, 2011 3:23 pm
by ludi
At the end of the day, a diamond is merely a specialized block of carbon, and it turns out that carbon nanotubes can be used for thermal transfer in ways that are similarly efficient and potentially more practical. One possibility involves growing a forest right on the surface of an IC substrate, eliminating the microscopic, irregular gaps that can prevent localized hotspots from cooling efficiently. However, that was four years ago, don't know what became of it.

Re: diamond cooling properties

Posted: Fri Aug 19, 2011 5:05 am
by vargis14
Mr.Lif wrote:
Ah yes. Diamond is indeed the best naturally occuring thermal conductor. Or at least as far as I know.
I saw a youtube video of some guy making thermal paste out of industrial diamond powder and mixing it with (what is it, silicon?) paste in an altoid's tin as the dust is invasive and can screw up your lungs pretty bad, and test it in relation to good old AS5 and several others. It showed a noticeable improvement.

While searching for said video after reading your post here I found that someone has gone one step further and created a thermal paste one can purchase. Here. I'm tempted to purchase some to see how well it goes myself.

As for other forms of diamond cooling (diamond heatsink maybe? A geek's best friend :lol: ) may be a little out of the question as of now. We can only hope.

Thanks for the link Lif,imm going to get some for when i get AM coolers for my vid cards,and reseat the cpu cooler.