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. 10, 2007

Filed:

Jun. 09, 2004
Applicants:

Hyou Takahashi, Shizuoka, JP;

Tsukasa Yamanaka, Shizuoka, JP;

Toru Fujimori, Shizuoka, JP;

Inventors:

Hyou Takahashi, Shizuoka, JP;

Tsukasa Yamanaka, Shizuoka, JP;

Toru Fujimori, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 (2006.01);
U.S. Cl.
CPC ...
Abstract

A positive-working resist composition comprising (A) a resin that increases solubility in an alkali developing solution by the action of an acid, (B) a compound which generates an acid upon irradiation of an actinic ray or radiation, (C) a nonionic cyclic compound having at least one partial structure represented by the following formula (I) or (II) and at least having either a melting point of 35° C. or more or a boiling point of 100° C./10 mmHg or more: and (D) a solvent.


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