Patent ID: 6418017
Filing Date: 2002-07-09
Classification: G06F,H01L,H05K

Abstract:
In a portable computer, a chassis member for supporting an electronic device that produces heat, said chassis member comprising:a cavity integral to said chassis member, such that said chassis member was formed by molding a structural material and such that structural material surrounding said cavity and forming side walls of said cavity is homogeneous to said chassis member in that said structural material was formed by molding in the some manufacturing step as said chassis member was formed by said molding; a seal, sealing said cavity; a working fluid that is contained within said cavity by said seal; wherein said cavity and said working fluid dissipate heat by allowing heat to transfer from a hot location on said chassis member to said working fluid, allowing movement of said working fluid within said cavity, and by allowing said heat to transfer from said working fluid to a cold location on said chassis member wherein said working fluid undergoes evaporation and condensation between vapor and liquid phases of said working fluid.