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. 10, 1979
Filed:
Dec. 07, 1977
Applicant:
Inventors:
Helmut Schmelz, Prien, DE;
Werner Schwaen, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 10 ; 357 61 ;
Abstract
A capacitor dielectric is disclosed with inner blocking layers in which two crystalline main phases are present in about equal portions in order to achieve an improvement in the loss factor of the insulation resistance, the voltage dependency of the dielectric constants and of the insulation resistance, and to achieve tighter manufacturing tolerances.