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:
Jan. 05, 2010
Filed:
Mar. 20, 2007
Dai Kawasaki, Hitachi, JP;
Nagatoshi Fujieda, Hitachi, JP;
Nori Sasaki, Hitachi, JP;
Noriyuki Yamazaki, Hitachi, JP;
Dai Kawasaki, Hitachi, JP;
Nagatoshi Fujieda, Hitachi, JP;
Nori Sasaki, Hitachi, JP;
Noriyuki Yamazaki, Hitachi, JP;
Hitachi Chemical DuPont MicroSystems, Ltd., Tokyo, JP;
Abstract
A photosensitive resin composition includes (a) a polymer mainly composed of a repeating unit represented by the following general formula (I); (b) a dissolution accelerator for a developing solution; and (c) a solvent: wherein Ris a trivalent or tetravalent organic group, Ris a bivalent organic group, R is a monovalent organic group having a carbon-carbon unsaturated double bond or a group represented by OM(Mrepresents a hydrogen ion or a cation composed of hydrogen and a compound having the carbon-carbon unsaturated double bond) in which the compound having the carbon-carbon unsaturated double bond is ionically bonded, at least one carbon-carbon unsaturated double bond is contained in all repeating units, m is an integer of 2 or more, and n is 1 or 2.