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:
Feb. 24, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Hideaki Takao, Sagamihara, JP;
Kazuya Ishiwata, Yokosuka, JP;
Noriyuki Nakai, Ayase, JP;
Naoya Nishida, Hadano, JP;
Tatsuo Murata, Hiratsuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03C / ;
U.S. Cl.
CPC ...
430-7 ; 4302701 ; 4302831 ; 430292 ; 430293 ; 430294 ;
Abstract
A photosensitive colored material mainly composed of an aromatic polyamide or polyimide resin having a photosensitive group in its molecule, a coloring matter, and a solvent, wherein; said solvent comprises a first solvent component capable of independently dissolving said resin alone and a second solvent component having a smaller surface tension than said first solvent component and incapable of independently solving said resin; and the content of said first solvent component is larger than the content of said second solvent component.