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:
Jul. 24, 2012
Filed:
Aug. 04, 2008
Tetsuyuki Nakayashiki, Tokyo, JP;
Kentaro Kimura, Tokyo, JP;
Tetsuyuki Nakayashiki, Tokyo, JP;
Kentaro Kimura, Tokyo, JP;
Adeka Corporation, Tokyo, JP;
Abstract
A photoacid generator which can generate an acid efficiently when energy was absorbed, is excellent in the developing property and can form fine patterns, and a cationic polymerization initiator excellent in curability are provided; and a resist composition and a cationically polymerizable composition using them are provided. An aromatic sulfonium salt compound represented by the General Formula (I) below: (wherein each of Eto Eindependently represents a substituent represented by the General Formula (II) below or the General Formula (III) below). Preferably, in the General Formula (I), r and s are 0; m and n are 0; or n and r are 0, and more preferably, one of m and s in the General Formula (I) is 1.