Patent · US Expired

Apparatus for removing photoresist film

US6715944B2 · kind B2 · utility

10Cited by
8References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 30, 2002
Grant dateApr 6, 2004
Priority date
Expiry dateApr 30, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S134/902
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus for removing a photoresist film includes a substrate cassette for fixing a substrate having a surface covered with a photoresist film, an ozone feed tube for supplying ozone, a liquid feed tube for supplying a liquid photoresist film removing solution, and a processing tank for recovering and processing at least one of ozone and the liquid photoresist film removing solution, wherein the liquid photoresist film removing solution is supplied through the liquid feed tube as a liquid or mist, at least one of ozone and the photoresist film removing solution being continuously supplied.

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