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:
Mar. 08, 2005
Filed:
Oct. 15, 2001
Applicant:
Genji Imai, Hiratsuka, JP;
Inventor:
Genji Imai, Hiratsuka, JP;
Assignee:
Kansai Paint Co., Ltd., Amagasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03F007/038 ; G03F007/38 ; G03F007/42 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides a positive photosensitive resin composition comprising (A) a positive photosensitive resin, (B) a photoacid generator and (C) a photosensitizer which is a benzopyran condensed ring compound capable of increasing photosensitivity to visible light with a wavelength of 480 nm or more; a positive photosensitive dry film prepared by applying the photosensitive resin composition to a surface of support film, followed by drying, to form a photosensitive resin layer; and a method of forming a pattern using the resin composition or the dry film.