Patent · US Expired

Negative resist composition

US7749677B2 · kind B2 · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 11, 2005
Grant dateJul 6, 2010
Priority date
Expiry dateDec 27, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/143
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The negative resist composition of the present invention comprises a silsesguioxane resin (A) comprising a constituent unit (a1) represented by the following general formula (I) and a constituent unit (a2) represented by the following general formula (II), an acid generator component (B) which generates an acid upon exposure, and a crosslinking agent component (C):wherein R1 represents a linear or branched alkylene group having 1 to 5 carbon atoms, and

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