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:
Nov. 23, 1993
Filed:
Jun. 04, 1992
Applicant:
Inventors:
Hisashi Sugiyama, Yokohama, JP;
Kazuo Nate, Machida, JP;
Takashi Inoue, Yokohama, JP;
Akiko Mizushima, Yokohama, JP;
Assignee:
Hitachi, Ltd., , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430192 ; 430191 ; 430193 ; 430270 ; 430312 ;
Abstract
Disclosed herein is a photosensitive resin composition composed mainly of an alkali-soluble organometallic polymer and a photosensitive dissolution inhibitor. The composition is used as a positive type resist which can be developed with an alkali developing solution. The resist has high sensitivity, high resolution, and resistance to oxygen plasma.