Patent · US Expired

Positive photosensitive poliymide composition

US6627377B1 · kind B1 · utility

87Cited by
3References
46Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 2000
Grant dateSep 30, 2003
Priority date
Expiry dateJun 26, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/106
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A photosensitive polyimide composition which is soluble in an organic solvent, which is excellent in adhesiveness, heat resistance, mechanical properties and flexibility, which shows the property of highly sensitive positive-type photoresist that is soluble in alkali upon irradiation with light is disclosed. The polyimide composition of the present invention contains a photoacid generator and a solvent-soluble polyimide which shows positive-type photosensitivity in the presence of said photoacid generator.

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