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.:

US 8647812 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 11, 2014

Filed:

Mar. 18, 2011
Applicants:

Kana Fujii, Shizuoka, JP;

Shinji Tarutani, Shizuoka, JP;

Inventors:

Kana Fujii, Shizuoka, JP;

Shinji Tarutani, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); G03F 7/004 (2006.01); G03F 7/028 (2006.01); G03F 7/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pattern forming method comprising (i) a step of forming a film from a chemical amplification resist composition, (ii) a step of exposing the film, and (iii) a step of developing the exposed film by using an organic solvent-containing developer, wherein the resist composition contains (A) a resin capable of increasing the polarity to decrease the solubility for an organic solvent-containing developer by the action of an acid, (B) at least one kind of a compound capable of generating a sulfonic acid represented by the specific formula upon irradiation with an actinic ray or radiation, and (C) a solvent.


Find Patent Forward Citations

Fujii, Kana. (2014). Pattern forming method, chemical amplification resist composition and resist film (U.S. Patent No. 8647812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8647812

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…