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:
Dec. 16, 2025
Filed:
Nov. 18, 2019
Tokyo Ohka Kogyo Co., Ltd., Kawasaki, JP;
Khanhtin Nguyen, Kawasaki, JP;
Mari Murata, Kawasaki, JP;
Masatoshi Arai, Kawasaki, JP;
Nobuhiro Michibayashi, Kawasaki, JP;
TOKYO OHKA KOGYO CO., LTD., Kawasaki, JP;
Abstract
A resist composition including a base material component (A) whose solubility in a developing solution is changed due to the action of an acid, and a compound (D0) formed of an anion moiety and a cation moiety which is represented by Formula (d0), in which the cation moiety of the compound (D0) has a Log P value of less than 7.7. In the formula, Mrepresents an m-valent organic cation, Rrepresents a substituent, p represents an integer of 0 to 3, q represents an integer of 0 to 3, n represents an integer of 2 or greater, and a relationship of 'n+p≤(q×2)+5' is satisfied.