Screen-printing composition and use thereof
US4292230A · kind A · utility
4Cited by
9References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1978 |
| Grant date | Sep 29, 1981 |
| Priority date | — |
| Expiry date | Sep 27, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31511
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Screen-printing composition containing an epoxy novolac, a phenoxy polymer, a liquid anhydride, colloidal silica, and a diluent. The composition is useful for coating substrates such as printed circuits and serves as a solder mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.