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. 29, 1978
Filed:
Sep. 28, 1976
Applicant:
Inventors:
Assignee:
Societe Lignes Telegraphiques et Telephoniques, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
361433 ;
Abstract
In solid tantalum electrolytic capacitors, an additive is introduced in the oxide dielectric layer consisting of an ion with a valency different from 5 in a concentration variable across the thickness of the layer. The nature of the additive is selected according to the characteristic to be improved.