Patent ID: 7137442

Claim:
A vapor chamber, comprising: a hollow, scaled chamber comprising an evaporating part and a condensing part, wherein external heat enters the chamber through the evaporating part and internal heat is radiated to the external environment from the condensing part; a fluid disposed within the chamber; a first wick, disposed within the evaporating part, which is moistened by the fluid; and a second wick, disposed within the condensing part; wherein the second wick has a flow resistance against the fluid less than the flow resistance of the first wick against the fluid; and wherein an end of the first wick is connected to an end of the second wick; wherein the first wick is a porous sintered compound; wherein the second wick is a coarse mesh; and wherein at the connection between an end of the first wick and an end of the second wicks, portions of the porous sintered compound are layered with portions of the coarse mesh.