Patent · US Active

Resist composition, method of forming resist pattern, novel compound, and acid generator

US7682772B2 · kind B2 · utility

11Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 2008
Grant dateMar 23, 2010
Priority date
Expiry dateNov 5, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/123
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound represented by general formula (I); and a compound represented by general formula (b1-1).[Chemical Formula 1]X-Q1-Y1—SO3−M+  (I)X-Q1-Y1—SO3−A+  (b1-1)wherein Q1 represents a divalent linkage group or a single bond; Y1 represents an alkylene group which may have a substituent or a fluorinated alkylene group which may have a substituent; X represents a cyclic group of 3 to 30 carbon atoms which may have a substituent, and has an —SO2— bond in the structure thereof; M+ represents an alkali metal ion; and A+ represents an organic cation.

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