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:
Mar. 20, 1990
Filed:
Mar. 01, 1989
Cornelis W Berghout, Eindhoven, NL;
Hendrikus J Van Haren, Eindhoven, NL;
U.S. Philips Corp., New York, NY (US);
Abstract
In a multilayer capacitor, which is made of alternate layers 1 of a dielectric oxidic ceramic material and an electrode material 2, and which is provided with metallic end contacts 4 which electrically conductively contact a prescribed part of the layers of electrode material via an intermediate layer 3 of a conductive metal oxide, the metallic end contacts containing silver, the diffusion of silver from the end contacts to the layers of electrode material is suppressed effectively in that the intermediate layer is a heterogeneous layer which, apart from the conductive metal oxide, contains glass particles, and in that the heterogeneous layer has a thickness of at least 1 .mu.m. On account of this, the end contacts can readily be manufactured from a paste, and delamination, cracking and the formation of cavities in the viscinity of the end contacts are suppressed.