Patent · US Expired

Photoresist cross-linking monomers, photoresist polymers and photoresist compositions comprising the same

US6200731A · kind A · utility

5Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1999
Grant dateMar 13, 2001
Priority date
Expiry dateDec 16, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/115
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention discloses a cross-linking monomer for a photoresist polymer represented by following Chemical Formula 1: <Chemical Formula 1> ##STR1## PA1 wherein, V represents CH.sub.2, CH.sub.2 CH.sub.2, oxygen or sulfur; Y is selected from the group consisting of straight or branched C.sub.1-10 alkyl, oxygen, and straight or branched C.sub.1-10 ether; R' and R" individually represent H or CH.sub.3 ; i is a number of 1 to 5; and n is a number of 0 to 3; and a process for preparing a photoresist copolymer comprising the same.

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