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.:
Date of Patent:
May. 28, 1991
Filed:
Sep. 13, 1989
Applicant:
Inventors:
Assignee:
501 Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430288 ; 430281 ; 430285 ; 430286 ;
Abstract
An aqueous alkali developable photoresist composition consists of (a) a carboxyl group-containing polymeric binder, (b) 1-15% by weight of a photoinitiator based on the binder, (c) 20-100% by weight based on the binder, of a photo reactive monomer or oligomer containing at least two ethylenically unsaturated double bonds, and (d) 0.05-5% by weight based on the binder of a weak alkali soluble or dispersible thiol compound represented by
Lin, Dhei-Jhai. (1991). Aqueous developable photoresist containing weak alkali soluble or (U.S. Patent No. 5019483). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5019483
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