Patent · US Expired

Lift-off positive resist composition

US7318992B2 · kind B2 · utility

3Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2005
Grant dateJan 15, 2008
Priority date
Expiry dateNov 12, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/0757
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A lift-off positive resist composition capable of forming a fine lift-off pattern is provided. This composition comprises a base resin component (A) and an acid generator component (B) generating an acid under exposure, wherein the base resin component (A) is a silicone resin.

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