Patent · US Expired

Radiation sensitive resin composition

US5494777A · kind A · utility

14Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1994
Grant dateFeb 27, 1996
Priority date
Expiry dateApr 19, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/0045
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A radiation sensitive resin composition which can be suitably used as a negative type resist having a high sensitivity, a high resolution, a high yield of residual film thickness and high thermal resistance, and which comprises (A) an alkali-soluble novolak resin, (B) a phenolic compound having a standard polystyrene-reduced weight average molecular weight of 10,000 or less such as polyvinylphenol, (C) a compound capable of cross-linking the component (A) and/or the component (B) in the presence of an acid, and (D) a radiation sensitive acid generator such as a triazine compound having a halomethyl group.

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