Patent · US Expired

Negative type resist composition

US6329119A · kind A · utility

6Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2000
Grant dateDec 11, 2001
Priority date
Expiry dateApr 28, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/122
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A negative type resist composition is provided, which provides excellent resolution, satisfactory profile and outstanding process stability: is suitable for exposure using deep ultra violet ray; and comprises alkali soluble resin, acid generator, crosslinking agent, and a basic compound represented by the following formula (I) ##STR1## wherein, A represents bivalent aliphatic hydrocarbon residue which may be optionally interrupted by imino group, sulfide group, or disulfide group, X represents nitrogen atom or C(NH.sub.2), and R.sup.1 and R.sup.2 independently represent hydrogen or alkyl.

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