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:
Dec. 10, 1991
Filed:
Apr. 18, 1989
Applicant:
Inventors:
Kuo-Chun Chen, Carlsbed, CA (US);
Haixing Zheng, Los Angeles, CA (US);
John D Mackenzie, Los Angeles, CA (US);
Assignee:
The Regents of the University of California, Oakland, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
252 629 ; 26417711 ; 29 2535 ;
Abstract
A method is provided for preparing piezoelectric fibers by concentrating a solution containing at least two metal alkoxides, a carboxylic acid and lead alkanoate to form a viscous liquid. The viscous liquid is drawn into amorphous fibers and the fibers are calcined and sintered to form the crystalline piezoelectric fibers.