Photopolymerizable compositions
US5922510A · kind A · utility
0Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1994 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Mar 2, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/0793
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photopolymerizable composition composed principally of an acrylic linear copolymer, an ethylenically-unsaturated compound and a photoinitiator and adapted to fabricate printed circuit boards. The ethylenically-unsaturated compound contains a specific acrylic ester. The photopolymerizable composition can be developed with an aqueous mild alkaline solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.