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US Patent 9555444 Acoustic transducer with impedance matching layer

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Patent Citations Received
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US Patent 11857316 Non-invasive optical detection system and method
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Patent abstract

A piezoelectric transducer is mounted in a housing. An impedance matching layer is provided between the piezoelectric transducer and the housing. The impedance matching layer includes high-permittivity regions that have a first permittivity, and low-permittivity regions that separate the high-permittivity regions and have a second permittivity. The second permittivity is lower than the first permittivity.

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Patent Inventor Names
George David Goodman0
Voldi E. Maki, Jr.0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=095554440
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US Patent 09555444 Acoustic transducer with impedance matching layer US Patent 9555444 Acoustic transducer with impedance matching layer

Infobox
Patent Number
095554440
Patent Number
95554440
Edits on 27 Apr, 2023
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Infobox
Is a
Patent
Patent
0
Patent Applicant
Halliburton
Halliburton
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
095554440
Date of Patent
January 31, 2017
0
Patent Application Number
147138220
Date Filed
May 15, 2015
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=095554440
Patent Primary Examiner
‌
Andre Allen
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09555444
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 US Patent 09555444 Acoustic transducer with impedance matching layer

Infobox
Is a
Patent
Patent
Patent applicant
Halliburton
Halliburton
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09555444
Date of patent
January 31, 2017
Patent application number
14713822
Date Filed
May 15, 2015
Patent primary examiner
‌
Andre Allen

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