Tuesday, December 04, 2007

US Patent 7303001 - Heat pipe with carbon nanotube operating fluid


This patent from Hon Hai Precision teaches the use of metal containing carbon nanocasules in the wick of a heat pipe for cooling semiconductor chips. Claim 1 reads:

1. A heat pipe comprising: a pipe; a wick engaged with an inside wall of the pipe; and an operating fluid sealed in the pipe and soaking the wick; wherein the operating fluid comprises a liquid and a plurality of carbon nanocapsules suspended in the liquid, and each of the carbon nanocapsules has a metal with high thermal conductivity received therein.