Patent Number: 6,253,829

Title: Heat sink, and process and apparatus for manufacturing the same

Abstract: A process for manufacturing a heat sink, in which a plate-shaped base portion is formed by the diecasting method integrally with the one-end portions of a plurality of fins arrayed at a constant pitch and in parallel with each other.

Inventors: Mashiko; Koichi (Tokyo, JP), Mochizuki; Masataka (Tokyo, JP), Goto; Kazuhiko (Tokyo, JP), Saito; Yuji (Tokyo, JP), Nagaki; Yoshihiro (Tokyo, JP)

Assignee: Fujikura Ltd.

International Classification: H01L 21/02 (20060101); H01L 21/48 (20060101); H01L 23/367 (20060101); H01L 23/34 (20060101); H01L 23/427 (20060101); B22D 019/00 (); B22D 017/24 ()

Expiration Date: 07/03/2018