Patent · US Expired

Heat sink fastenings

US4321423A · kind A · utility

39Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1980
Grant dateMar 23, 1982
Priority date
Expiry dateMay 15, 2000

Classification

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

Abstract

Auxiliary heat-sink attachments which promote dissipation of heat from electronic solid-state devices and the like are secured with such devices and with associated printed-circuit boards by way of accessory fastenings with which they form a sub-assembly wave-solderable in pre-spaced relation to the board.

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