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:
Aug. 07, 1984
Filed:
Sep. 23, 1982
Applicant:
Inventors:
Noriyuki Taguchi, Yokohama, JP;
Tsuyoshi Fuzita, Yokohama, JP;
Gyozo Toda, Hino, JP;
Syoosaku Ishihara, Yokohama, JP;
Takashi Kuroki, Yokohama, JP;
Tatsuhiro Suzuki, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 96 ; 427101 ; 427103 ;
Abstract
A ceramic multilayer circuit board is provided by sintering a multilayer wiring substrate containing alumina as a main component, which was prepared by the green sheet process, nickel plating and gold plating in this order on the superficial wiring conductor layer, printing a thick film conductor paste on the gold plating layer, firing the printed substrate and finally printing a thick film resistor paste on at least part of the thick film conductor layer and firing to form a thick film resistor layer.