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. 16, 2011
Filed:
Sep. 02, 2009
Adalbert Feltz, Deutschlandsberg, AT;
Michael Schossmann, Frauental, AT;
Patrick Schmidt-winkel, Bad Gams, AT;
Adalbert Feltz, Deutschlandsberg, AT;
Michael Schossmann, Frauental, AT;
Patrick Schmidt-Winkel, Bad Gams, AT;
Epcos AG, Munich, DE;
Abstract
A piezoelectric material contains a material with the molecular formula PDZ, wherein: 0<c≦0.15 and 0≦d≦0.5, wherein P represents the composition Pb(ZrTi)Oand wherein: 0.50≦1−y≦0.60, wherein Z represents an additional component of the perovskite type of structure, wherein D represents a material according to the general formula [(MO)(MO)][NbO], wherein Mrepresents BaSrwith 0≦t≦1 and Mrepresents strontium or calcium and wherein: ⅔<a<1 and 0<p<1, wherein the material D contains the cryolite type of structure.