The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 1997
Filed:
Mar. 17, 1997
Applicant:
Inventors:
Mineo Nishi, Kitakyushu, JP;
Koji Nakano, Kitakyushu, JP;
Makoto Ikemoto, Kitakyushu, JP;
Tadashi Kusumoto, Kitakyushu, JP;
Yasuhiro Kawase, Kitakyushu, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03C / ;
U.S. Cl.
CPC ...
430191 ; 430192 ; 430193 ; 430311 ; 430326 ;
Abstract
A photosensitive resin composition comprising an alkali-soluble resin (A), a compound (B) containing a 1,2-quinonediazide group, and a compound (C) of the following formula (I): ##STR1## wherein each of Ar.sup.1 to Ar.sup.3 which are independent of one another, is an aromatic hydrocarbon group which may be substituted by a halogen atom, a C.sub.1-4 alkyl group or a C.sub.1-4 alkoxy group, and R is a hydrogen atom, a hydroxyl group, a C.sub.1-4 alkyl group or a C.sub.1-4 alkoxy group.