Patent · US Expired

Deep ultra-violet lithographic resists with diazohomotetramic acid compounds

US4522911A · kind A · utility

16Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1983
Grant dateJun 11, 1985
Priority date
Expiry dateJun 28, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/0163
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A lithographic resist for use with deep ultra-violet radiation comprising an acidic resin and a diazohomotetramic acid sensitizer.

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