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:
Dec. 07, 1993
Filed:
Sep. 30, 1991
Applicant:
Inventors:
Hiroshi Kikuchi, Zushi, JP;
Makio Watanabe, Fujisawa, JP;
Shinichiro Imabayashi, Yokohama, JP;
Reiko Yano, Yokohama, JP;
Isamu Tanaka, Yokosuka, JP;
Hitoshi Oka, Yokohama, JP;
Yukihiro Taniguchi, Chigasaki, JP;
Shigeru Fujita, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; G03F / ;
U.S. Cl.
CPC ...
430280 ; 430286 ; 430288 ; 430918 ; 522 14 ; 522 16 ; 522103 ; 522107 ; 522170 ;
Abstract
A printed circuit board has a resist layer made from a photo-setting resist composition containing: