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:
Jun. 23, 2015
Filed:
Dec. 06, 2012
Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;
Yoshitaka Komuro, Kawasaki, JP;
Yoshiyuki Utsumi, Kawasaki, JP;
Akiya Kawaue, Kawasaki, JP;
Toshiaki Hato, Kawasaki, JP;
Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;
Abstract
A resist composition comprising: a base component (A) that exhibits changed solubility in a developing solution by the action of acid; a photoreactive quencher (C); and an acid-generator component (B) that generates acid upon exposure, wherein the photoreactive quencher (C) contains a compound represented by general formula (c1) shown below. In the formula, Rrepresents a hydrogen atom or a hydrocarbon group of 1 to 20 carbon atoms which may have a substituent; each of Rand Rindependently represents a hydrogen atom or a hydrocarbon group of 1 to 20 carbon atoms which may have a substituent; at least two of Rto Rmay be mutually bonded to form a ring; X represents an oxygen atom or a sulfur atom; n represents 0 or 1; and Zrepresents an organic cation.