Patent · US Expired

Resist composition

US6733952B2 · kind B2 · utility

6Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2002
Grant dateMay 11, 2004
Priority date
Expiry dateDec 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/108
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The following resist composition of chemical amplification type, which is excellent in transparency to light beams and dry etching properties and gives a resist pattern excellent in sensitivity, resolution, evenness, heat resistance, etc.A resist composition which comprises a fluoropolymer (A) comprising monomer units (a) of a fluorovinyl monomer having —CF2—OR (wherein R is a C1-10 alkyl group) and monomer units (b) of an alicyclic ethylenic monomer, an acid-generating compound (B) which generates an acid upon irradiation with light, and an organic solvent (C).

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