Polyimide containing silicones
US4051163A · kind A · utility
24Cited by
5References
5Claims
0Family size
Inventor
Key dates
| Filing date | Mar 18, 1977 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Mar 18, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/09701
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A copolymer which is the reaction product of a tetracarboxylic acid dianhydride, and organic diamine and a di(aminoalkyl) poly siloxane where the di(aminoalkyl) poly siloxane constitutes 18-45 mole percent of the total amine requirement of the polymer and is applicable as a conformal protective coating for electronic devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.