TSV via provided with a stress release structure and its fabrication method
US9536837B2 · kind B2 · utility
3Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2012 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Dec 21, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/00014
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A TSV via structure comprising an upper part made on the side of the front face of a substrate in which electronic components are located and a lower part with height and cross-section smaller than the height and cross-section the upper part, the arrangement of the connection element in the substrate being such that it releases stresses generated by the different materials of said structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.