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. 15, 2014
Filed:
Jun. 29, 2012
Applicants:
Tomotaka Tsuchimura, Shizouka, JP;
Tadateru Yatsuo, Shizuoka, JP;
Inventors:
Tomotaka Tsuchimura, Shizouka, JP;
Tadateru Yatsuo, Shizuoka, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/038 (2006.01); G03F 7/20 (2006.01); G03F 7/30 (2006.01); G03F 1/00 (2012.01);
U.S. Cl.
CPC ...
Abstract
A chemical amplification resist composition contains: (A) a polymer compound having a phenolic hydroxyl group and a group formed by substituting a substituent for a hydrogen atom of a hydroxyl group in a phenolic hydroxyl group and satisfying the following (a) to (c) at the same time: (a) the polydispersity is 1.2 or less, (b) the weight average molecular weight is from 2,000 to 6,500, and (c) the glass transition temperature (Tg) is 140° C. or more.