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:
Oct. 18, 2005
Filed:
Aug. 13, 2001
Christian Hoffmann, Deutschlandsberg, AT;
Helmut Sommariva, Graz, AT;
Danilo Suvorov, Ljubljana, SI;
Matjaz Valant, Ljubljana, SI;
Christian Hoffmann, Deutschlandsberg, AT;
Helmut Sommariva, Graz, AT;
Danilo Suvorov, Ljubljana, SI;
Matjaz Valant, Ljubljana, SI;
Epcos AG, Munich, DE;
Abstract
A ceramic material includes at least two different components. Each of the components is present in separate phases. Each of the components has a perovskite structure which contains silver in A positions and niobium or tantalum in B positions. A composition of a first component and a composition of a second component has respective permittivities TKεand TKε. In the ceramic material, temperature components of the permittivities TKεand TKεhave different signs within a temperature interval.