Flex tape protective coating
US5360946A · kind A · utility
10Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1991 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | Sep 17, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49165
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an improved flex (or TAB) product suitable for silicon carrier or other types of chip carrier applications, wherein the flex reliability problems caused for example by Cu thermal cycling are substantially reduced or eliminated. More particularly, the invention embodies a number of coatings for use in such products and diverse methods of making and using same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.