Patent · US Active

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

US8338076B2 · kind B2 · utility

5Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2009
Grant dateDec 25, 2012
Priority date
Expiry dateAug 16, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/2041
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the acid-generator component (B) including an acid generator (B1) containing a compound having a cation moiety comprising a group represented by general formula (I) (in the formula, R5 represents an organic group having a carbonyl group, an ester bond or a sulfonyl group; and Q represents a divalent linking group).

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