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:
Jun. 06, 2000

Filed:

Jan. 08, 1999
Applicant:
Inventors:

Jin-Seock Kim, Choongcheongnam-do, KR;

Yang-Sun Kim, Kyungki-do, KR;

Seog-Young Lim, Kyungki-do, KR;

Dong-Uk Choi, Kyungki-do, KR;

Koog-Lok Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; C23F / ; H01L / ;
U.S. Cl.
CPC ...
510176 ; 510175 ; 510435 ; 510493 ; 510500 ; 510506 ;
Abstract

A photoresist stripping composition is provided. The composition includes 10-30 weight % of alkanolamine, 10-35 weight % of dimethylsulfoxide, 30-50 weight % of N-methylpyrrolidone and 10-30 weight % of glycolether. The composition shows good stripping force and strips photoresist by a single-wafer treatment method using the air-knife process or by a dipping method.


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