Integrated heat spreader with intermetallic layer and method for making
US7485495B2 · kind B2 · utility
3Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2007 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Jan 22, 2027 |
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.