Patent · US Expired

Photosensitive resin composition with polyamic acid polymer

US5238784A · kind A · utility

17Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1990
Grant dateAug 24, 1993
Priority date
Expiry dateNov 28, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S522/906
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides a photosensitive resin composition which comprises, as essential components: PA0 (A) a polyamic acid having a recurring unit represented by the following formula [I]: ##STR1## wherein R.sub.1 and R.sub.2 each represents an organic group selected from the group consisting of an aromatic group, an alicyclic group, an aliphatic group, and a heterocyclic group and m is 1 or 2, PA0 (B) an amide compound having carbon-carbon double bond, and PA0 (C) a photosensitizer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.