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:
Nov. 18, 2014
Filed:
Sep. 27, 2012
The Pennsylvania State University, University Park, PA (US);
Shujun Zhang, State College, PA (US);
Dawei Wang, State College, PA (US);
Mingfu Zhang, State College, PA (US);
Shiyi Guo, State College, PA (US);
Thomas R. Shrout, Furnace, PA (US);
The Penn State Research Foundation, University Park, PA (US);
Abstract
A ternary polycrystalline material based on lead hafnate (PbHfO) and having improved dielectric, piezoelectric, and/or thermal stability properties. The Pb(Hf,Ti)Obased material can exhibit enhanced electromechanical coupling factors when compared to PZT based ceramics and can be used as high performance actuators, piezoelectric sensors and/or ultrasonic transducers. The ternary polycrystalline material can have a perovskite crystal structure with an ABOformula and can be characterized by a substitution of heterovalent acceptor and donor ions at A or B (Zr/Hf) sites.