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[Geek] Panasonic uses graphite to create rubber heat sink

post #1 of 9
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Quote:
Open up any PC and inside you’ll see some form of metal block (heat sink) covering the CPU. In the majority of cases a fan will be attached to that block as an extra measure to dissipate heat. The block and fan are necessary due to the amount of heat processors generate under load, and without them a chip would melt.

The same heat issues exist in other forms of electronics, and one area in particular has two problems to solve. Electric cars use an increasing array of electronics to ensure efficient use of power during travel. Those electronics produce heat, but also need to be protected from vibration so as not to malfunction.

Source

Cool...
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post #2 of 9
I wonder how these will compare to their aluminium and copper counterparts.
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post #3 of 9
Quote:
Originally Posted by halocog View Post

I wonder how these will compare to their aluminium and copper counterparts.

If you read the article it states
Quote:
Where as rubber typically has a thermal conductivity rating of 0.1W/m.K, the graphite-coated version increases that to 20W/m.K....Even with the new coating, rubber’s thermal conductivity pales in comparison to aluminum (250W/m.K) or copper (401W/m.K)

So there ya go
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post #4 of 9
Thread Starter 
It's about making these things so that they don't fail to vibration and shock...
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post #5 of 9
Quote:
Originally Posted by _GTech View Post

It's about making these things so that they don't fail to vibration and shock...

Lol, I knew that. I actually read that article as geek is my homepage on my phone and unlike some people wink.gif I actually read articles.
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post #6 of 9
Quote:
Originally Posted by CaptaiNeckBeard View Post

If you read the article it states
So there ya go

Makes the news a little less exciting but it's still amazing. Wonder how long it will take for this to develop to its full potential.
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post #7 of 9
use this on the backs of cell phones, tablets, and laptops. redface.gif
Durable mobile electronics that don't burn your hands.
Edited by qwertymac93 - 3/8/12 at 5:53pm
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post #8 of 9
Quote:
Originally Posted by qwertymac93 
Durable mobile electronics that don't burn your hands.

that would make it a thermal insulator, in which case you'd want the rubber without the coating.
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post #9 of 9
Quote:
Originally Posted by Petrol View Post

that would make it a thermal insulator, in which case you'd want the rubber without the coating.

Or it dissipates the heat fast enough that it doesn't aggregate to a hot enough temperature in the first place. I assume things get hot because of aggregation and not because they just output tons of heat.
    
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