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:
Sep. 22, 2009
Filed:
Mar. 17, 2006
Fumiyuki Nishiyama, Shizuoka, JP;
Fumiyuki Nishiyama, Shizuoka, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A positive resist composition comprising: (A) a resin insoluble or sparingly soluble in an alkali but capable of decomposing under an action of an acid to increase a solubility in an alkali developer, the resin having a β-(meth)acroyloxy-γ-butyrolactone repeating unit represented by the following formula (1) containing a lactone ring which may have a substituent; and (B) a compound capable of generating an organic acid represented by the formula (2), (3), (3'), (4) or (5) as defined herein upon irradiation of actinic rays or radiation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile