J
josephkk
- Jan 1, 1970
- 0
BeO, or diamond, or better yet isotopically pure diamond.
AlN isn't bad, close to common aluminum alloys.
There are some forms of graphite are better than natural diamond, but
aren't electrical insulators.
I find it more fun to actually get the numbers.
Several materials here:
http://en.wikipedia.org/wiki/Thermal_conductivity
BeO and AlN here:
http://www.aluminumnitride.com/beo-aln.htm
http://www.aluminumnitride.com/
Cheers,
?-)