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.

Date of Patent:
Oct. 19, 2004

Filed:

Apr. 21, 1999
Applicant:
Inventors:

Yasumasa Kawabe, Shizuoka, JP;

Kenichiro Sato, Shizuoka, JP;

Toshiaki Aoai, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/492 ; G03C 1/72 ;
U.S. Cl.
CPC ...
G03C 1/492 ; G03C 1/72 ;
Abstract

Provided is a positive photosensitive resin composition comprising (A) a polymer which has alicyclic hydrocarbon skeletons and composes under the action of an acid to be rendered soluble in alkali, (B) a compound which generates an acid upon irradiation with actinic rays, (C) a nitrogen-containing basic compound, (D) at least one of a fluorine-containing surfactant and a silicon-containing surfactant and (E) a solvent. The composition can exhibit better characteristics when the solvent (E) is a combination of specified solvents.


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