Photosensitive semi-aqueous developable copper conductor composition
US5047313A · kind A · utility
17Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Sep 10, 1991 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/118
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A semi-aqueous developable copper conductive composition which is fireable in a nonoxidizing atmosphere is developable in an aqueous solution containing 0.63 percent by weight sodium borate and 8.7 percent by weight butyl cellusolve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.