Photodefinable triazine based composition
US4601972A · kind A · utility
8Cited by
12References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 26, 1985 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Jul 26, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/09509
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multilayer circuit device comprises a substrate having a plurality of metallized patterns thereon said patterns being separated by a photodefined polymeric dielectric film formed from a polymeric photodefinable triazine base mixture including a photosensitive acrylate moiety. The various circuit patterns are interconnected by means of microvias through the polymeric film or film layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.