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:
Feb. 09, 2010
Filed:
Nov. 16, 2007
Applicant:
Hongxi Zhang, San Juan Capistrano, CA (US);
Inventor:
Hongxi Zhang, San Juan Capistrano, CA (US);
Assignee:
Endevco Corporation, San Juan Capistrano, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piezoelectric sensor includes a ceramic material that has the formula of [BiO][ABO], where m=2, A is mono-, di-, or tri-valent ions or a combination of them, B is transition element such as Fe, Ti, Nb, Ta, W, Moor a combination of them. The ceramics have high Curie temperature of 900˜940° C. The sensors claimed in the present invention utilize [BiO][ABOceramics parts as sensing elements in various shapes and dimensions and can be used to sense force, acceleration, and pressure at very high temperatures of 600˜800° C.