Patent · US Expired

Integrated heat spreader with intermetallic layer and method for making

US7183641B2 · kind B2 · utility

6Cited by
15References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2005
Grant dateFeb 27, 2007
Priority date
Expiry dateMar 30, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/351
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Integrated heat spreader and die coupled with solder in a manner forming an intermetallic compound having a higher liquidus temperature than the liquidus temperature of the solder used to create the intermetallic compound are described herein.

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