Light-sensitive polymer composition with poly(amic acid), bisazide, and tertiary amine compound
US4565767A · kind A · utility
19Cited by
13References
11Claims
0Family size
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Key dates
| Filing date | Apr 24, 1984 |
| Grant date | Jan 21, 1986 |
| Priority date | — |
| Expiry date | Apr 24, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/128
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A light-sensitive polymer composition comprising a poly(amic acid), a special bisazide compound and an amine compound can give a film which has high sensitivity and in which portions exposed to light are not easily released by a developing solution at the time of development.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.