US Patent 7730785 Ultrasonic sensor and manufacture method of the same
Patent 7730785 was granted and assigned to Denso on June, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An ultrasonic sensor is provided with a substrate unit where a thin-walled portion is arranged and a piezoelectric oscillator which is formed at the substrate unit. The piezoelectric oscillator includes two electrodes and a piezoelectric film positioned between the two electrodes. The thin-walled portion and the piezoelectric oscillator construct a membrane structure which will resonate at a predetermined frequency.
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Patent Inventor Names
Hiroyuki Wado0
Makiko Sugiura0
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US Patent 07730785 Ultrasonic sensor and manufacture method of the same US Patent 7730785 Ultrasonic sensor and manufacture method of the same
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Patent Number
077307850
Patent Number
77307850
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
077307850
Date of Patent
June 8, 2010
0Patent Application Number
117902980
Date Filed
April 24, 2007
0Official Website
Patent Primary Examiner
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US Patent 07730785 Ultrasonic sensor and manufacture method of the same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07730785
Date of patent
June 8, 2010
Patent application number
11790298
Date Filed
April 24, 2007
Patent primary examiner
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