Screenable and strippable solder mask and use thereof
US4246147A · kind A · utility
22Cited by
11References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1979 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Jun 4, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/264
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A screenable and strippable solder mask composition which contains a polyepoxide or polyimide/amide; a detackifier and a high-temperature resistant filler; and use thereof for protecting predetermined areas on a substrate from the solder deposition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.