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.

Date of Patent:
Jul. 16, 2013

Filed:

Jun. 29, 2010
Applicants:

Masaaki Hanamura, Tokyo, JP;

Daigo Ichinohe, Tokyo, JP;

Hideaki Takase, Tokyo, JP;

Inventors:

Masaaki Hanamura, Tokyo, JP;

Daigo Ichinohe, Tokyo, JP;

Hideaki Takase, Tokyo, JP;

Assignee:

JSR Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/023 (2006.01); C08G 77/18 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0233 (2013.01); C08G 77/18 (2013.01);
Abstract

The present invention provides a positive-type radiation-sensitive composition containing (A) a siloxane polymer, and (B) a quinone diazide compound, in which the content of aryl groups relative to Si atoms in the siloxane polymer (A) is greater than 60% by mole and no greater than 95% by mole.


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