Circuit board substrates prepared from poly(aryl ethers)s
US4550140A · kind A · utility
20Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1984 |
| Grant date | Oct 29, 1985 |
| Priority date | — |
| Expiry date | Mar 20, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/901
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Circuit board substrates prepared from poly(aryl ether)s which contain repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl) sulfone (TMBS) exhibit adequate glass transition temperatures (Tg), acceptable plateability and acceptable resistance to water absorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.