Patent ID: 6031285
Filing Date: 2000-02-29
Classification: C22C,H01L,Y10T

Abstract:
A heat sink for semiconductors, comprising:a metal (A) including at least one member selected from the group consisting of Cu, Ag, Au, Al, Mg, and Zn;a metal carbide (B') made from a metal (B) including at least one member selected from the group consisting of metals of groups 4a and 5a of the Periodic Table and chromium; anda plurality of diamond particles,the heat sink having a structure wherein at least a quarter of a surface area of individual diamond particles is covered with the metal carbide (B'), wherein the diamond particles covered with the metal carbide (B') are separated from one another by the metal (A), and wherein a layer of the metal (B) is absent from a portion of an area around the metal carbide (B') which covers the diamond particles.