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 6849378 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 01, 2005

Filed:

Apr. 17, 2002
Applicants:

Sangjun Choi, Seoul, KR;

Hyunwo Kim, Suwon, KR;

Joontae Moon, Yongin, KR;

Sanggyun Woo, Yongin, KR;

Inventors:

Sangjun Choi, Seoul, KR;

Hyunwo Kim, Suwon, KR;

Joontae Moon, Yongin, KR;

Sanggyun Woo, Yongin, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7004 ; G03F 700 ;
U.S. Cl.
CPC ...
Abstract

A resist composition includes a photoacid generator (PAG) and a photosensitive polymer. The photosensitive polymer includes a comonomer having an acid-labile substituent group or a polar functional group, and a copolymer of alkyl vinyl ether and maleic anhydride. The copolymer is represented by the following structure:where k is an integer of 3 to 8, and where X is tertiary cyclic alcohol having 7 to 20 carbon atoms.


Find Patent Forward Citations

Choi, Sangjun. (2005). Photosensitive polymers, resist compositions comprising the same, and methods for forming photoresistive patterns (U.S. Patent No. 6849378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6849378

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

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