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.:

US 6984922 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 10, 2006

Filed:

Jul. 15, 2003
Applicants:

Hidetomo Nagahara, Kyoto, JP;

Takehiko Suginouchi, Nara, JP;

Masahiko Hashimoto, Shijonawate, JP;

Katsuhiko Asai, Nara, JP;

Inventors:

Hidetomo Nagahara, Kyoto, JP;

Takehiko Suginouchi, Nara, JP;

Masahiko Hashimoto, Shijonawate, JP;

Katsuhiko Asai, Nara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01);
U.S. Cl.
CPC ...
Abstract

A composite piezoelectric transducer of the present invention includes a plurality of arranged piezoelectric elements, and dielectric portions positioned between the plurality of piezoelectric elements. In the composite piezoelectric transducer, an area of a cross-section perpendicular to an ultrasonic emitting direction in at least one piezoelectric element of the plurality of piezoelectric elements varies along the ultrasonic emitting direction.


Find Patent Forward Citations

Nagahara, Hidetomo. (2006). Composite piezoelectric transducer and method of fabricating the same (U.S. Patent No. 6984922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6984922

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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