Patent · US Expired

Resist stripper composition

US6774097B2 · kind B2 · utility

3Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 2002
Grant dateAug 10, 2004
Priority date
Expiry dateOct 25, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/425
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to a resist stripper composition that is used to remove resists during semiconductor device manufacturing processes such as for large size integrated circuits, very large size integrated circuits, etc. The resist stripper composition comprises 3 to 10 wt % of an organic amine compound, 30 to 60 wt % of a solvent selected from a group consisting of DCMAc, DMF, DMI, NMP, etc., 30 to 60 wt % of water, 1 to 10 wt % of catechol, resorcin or a mixture thereof and 1 to 10 wt % of a C4-6 straight polyhydric alcohol.

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