Patent ID: 6474407
Filing Date: 2002-11-05
Classification: H01L

Abstract:
A composite heat sink comprising:a base; and a plurality of fins detachably connected to each other, each said fin includes a plate, a bottom perpendicularly extended from a first end of said plate, and two connecting elements perpendicularly expended from a second end of said plate, respectively, wherein each said bottom of said fin includes first slots which are respectively disposed at two ends of said bottom and first buckling elements which are outwardly expended from said first slots and disposed at a relative position of said first slots, wherein each said first buckling element includes two upward protruding pieces, and each said connecting element includes a second slot and a second buckling element disposed at opposite position of said first slot and said first buckling element, respectively, wherein each said second buckling element includes two downward protruding pieces, wherein: each said bottom of said fin is disposed on a surface of said base.