Patent · US Expired

IC package heat sink fin

US5455382A · kind A · utility

20Cited by
14References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1994
Grant dateOct 3, 1995
Priority date
Expiry dateNov 3, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/16152
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A fin assembly for use as a heat sink and production thereof are disclosed. The fin assembly comprises a plurality of heat dissipating plates formed by means of a multi-wire saw, and the heat dissipating plates each has a thickness t of no more than 1 mm and being spaced apart by a gap g of no more than 1.5 mm the heat dissipating plates or pins having a height h, wherein the ratio h/t is not less than 20 and the ratio h/g is not less than 15 in one embodiment and 19 in another embodiment of the invention.

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