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:
Nov. 25, 2003
Filed:
Sep. 23, 1998
Applicant:
Inventor:
J. Michael Goodson, Skillman, NJ (US);
Assignee:
Crest Ultrasonics Corporation, Trenton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/108 ;
U.S. Cl.
CPC ...
H01L 4/108 ;
Abstract
An ultrasonic transducer is disclosed that operates efficiently and at low impedance at high frequencies at or near a third harmonic frequency of its piezoelectric crystal. The ultrasonic transducer includes a resonator composed of ceramic material and positioned between a head mass and the piezoelectric crystal.
Quick Actions:
Goodson, J.. (2003). Ultrasonic transducer using third harmonic frequency (U.S. Patent No. 6653760). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6653760
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