Patent · US Expired

Heat sink structure for cooling a substrate and an electronic apparatus having such a heat sink structure

US5894882A · kind A · utility

39Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1996
Grant dateApr 20, 1999
Priority date
Expiry dateMay 17, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A heat sink structure of a module substrate includes a plurality of stripe-like bottom regions extending in a longitudinal direction and repeated in a lateral direction with a predetermined pitch, a plurality of stripe-like top regions extending in said longitudinal direction and repeated in the lateral direction with said predetermined pitch, such that the stripe-like bottom regions and the stripe-like top regions are repeated alternately in the lateral direction, wherein the stripe-like top regions and the stripe-like bottom regions have respective lateral edges that are connected with each other by cooling fins.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.