Abstract: A heat sink fin assembly of the corrugated type for cooling an LSI package comprises a flat base plate and a heat dissipating member made of a thin metal sheet having convex and concave portions which are comprised of a repeated series of side wall portions, top portions, and bottom portions. The base plate and the heat dissipating member are integrated with each other by bonding.
Type:
Grant
Filed:
October 3, 1995
Date of Patent:
April 29, 1997
Assignees:
Sumitomo Metal Industries, Ltd., Sumitomo Precision Products, Co., Ltd.