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:
Mar. 18, 2003
Filed:
Mar. 26, 2002
Jong Sun Kim, Kyungki-do, KR;
Choong Sik Yoo, Kyungki-do, KR;
Joo Hyun Yoo, Choongchungbook-do, KR;
Yong Woo Lee, Kyungki-do, KR;
Samsung Electro-Mechanics Co., Ltd., Kyungki-do, KR;
Abstract
A piezoelectric ceramic composition with superior mechanical quality factor Qm and electromechanical coupling factor Kp, and a high power output piezoelectric transformer made from the composition are disclosed. The piezoelectric ceramic composition according to the present invention is composed of Pb Sr [(Ni W ) (Mn Nb ) (Zr Ti ) ]O +kPbO, where a is 0-0.06, b is 0.01-0.05, c is 0.01-0.09, x is 0.47-0.53, and k is 0.1-0.7 wt %.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile