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:
Apr. 30, 1996
Filed:
Jun. 20, 1994
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428210 ; 428432 ; 428433 ; 428901 ; 3613211 ; 3613212 ; 501134 ; 501135 ;
Abstract
The ceramic substrate for electronic circuit of the present invention comprises a ceramic layer and a conductive layer which is patterned on the ceramic layer, wherein the conductive layer comprises copper or an alloy containing copper as its main component. The ceramic layer entirely comprises a complex oxide or an oxide solid solution containing copper element and at least one component excluding copper element. Moreover, the ceramic layer is insulated.