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:
May. 29, 2001
Filed:
May. 28, 1999
Applicant:
Inventors:
Yohachi Yamashita, Yokohama, JP;
Tsuyoshi Kobayashi, Kawasaki, JP;
Shiroh Saitoh, Kawasaki, JP;
Kouichi Harada, Tokyo, JP;
Senji Shimanuki, Atsugi, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C30B 2/502 ;
U.S. Cl.
CPC ...
C30B 2/502 ;
Abstract
A method of manufacturing an ultrasonic probe includes the steps of forming electrodes on two surfaces of a piezoelectric single crystal made of a complex perovskite compound and then adhering the piezoelectric single crystal on a backing material, dicing the piezoelectric single crystal to form an arrayed piezoelectric single-crystal transducer, and poling the arrayed piezoelectric single-crystal transducer in the electric field of 0.5 to 2 kV/mm at a temperature of 80° C. or less.