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:
Apr. 04, 2000
Filed:
Jun. 17, 1998
Applicant:
Inventors:
Toru Ushirogouchi, Yokohama, JP;
Koji Asakawa, Kawasaki, JP;
Makoto Nakase, Tokyo, JP;
Naomi Shida, Kawasaki, JP;
Takeshi Okino, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
4302701 ; 430905 ; 430910 ;
Abstract
A photosensitive composition contains an acid-decomposable resin, a photo-acid-generating agent, and a naphthol novolak compound with a molecular weight of 2000 or less. The acid-decomposable resin is preferably a copolymer consisting of a polymerizable compound having an alicyclic skeleton as a monomer.