Title:
STRIPPING OF PHOTOSETTING PHOTORESIST LAYER
Document Type and Number:
Japanese Patent JPS6250832
Kind Code:
A
Abstract:
Light-hardened photoresist layers are stripped by treating the layer with an aqueous solution of an organic quaternary ammonium base and, optionally a strong inorganic base. The resulting layer residues are dispersed as relatively small flakes which do not become lodged between conducting paths.
Inventors:
HARUTOMUUTO SHIYUTETSUPAN
URURIHI GAISURAA
URURIHI GAISURAA
Application Number:
JP19744186A
Publication Date:
March 05, 1987
Filing Date:
August 25, 1986
Export Citation:
Assignee:
HOECHST AG
International Classes:
G03F7/42; G03D3/06; (IPC1-7): G03C11/00; G03F7/00
Domestic Patent References:
JPS60147736A | 1985-08-03 | |||
JPS5990850A | 1984-05-25 | |||
JPS6012546A | 1985-01-22 | |||
JPS5635424A | 1981-04-08 | |||
JPS4984437A | 1974-08-14 |
Attorney, Agent or Firm:
Toshio Yano