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:
Oct. 17, 2006
Filed:
Sep. 25, 2003
Applicants:
Fumiyuki Nishiyama, Shizuoka, JP;
Kenichiro Sato, Shizuoka, JP;
Kunihiko Kodama, Shizuoka, JP;
Inventors:
Assignee:
Fuji Photo Film Co., Ltd, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 5/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positive resist composition comprising: (A) a resin having alicyclic hydrocarbon groups in side chains, containing specified two types of repeating units, which increases the solubility in an alkali developing solution by the action of an acid; and (B) a particular sulfonium compound having a specified structure and capable of generating an acid upon irradiation with an actinic ray or radiation.