Methods for performing reflow in bonding processes
US8440503B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2011 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Nov 16, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/97
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A method includes placing a cover over a lower package component, wherein the cover comprises an opening aligned to the lower package component. An upper package component is placed over the lower package component. The upper package component is aligned to the opening, and a solder region is dispose between the upper package component and the lower package component. The cover and the upper package component are exposed to a radiation to reflow the solder region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.