Patent · US Expired

Heat spreader module

US7161807B2 · kind B2 · utility

8Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2004
Grant dateJan 9, 2007
Priority date
Expiry dateSep 17, 2024

Classification

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

Abstract

A heat spreader module includes a base, a heat spreader member arranged on the base, a thermal conductive layer arranged on the heat spreader member, a first joining member interposed between the base and the heat spreader member, and a second joining member interposed between the heat spreader member and the thermal conductive layer. The base comprises a copper alloy which has a proof stress of not less than 45 MPa and a coefficient of thermal conductivity of not less than 270 W/mK after performing a heat treatment between 600° and 900° C. for 10 minutes.

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