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US Patent 9533873 CMOS ultrasonic transducers and related apparatus and methods

Patent 9533873 was granted and assigned to Butterfly Network, Inc. on January, 2017 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Patent Applicant
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Butterfly Network, Inc.
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Current Assignee
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Butterfly Network, Inc.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
95338730
Patent Inventor Names
Gregory L. Charvat0
Keith G. Fife0
Nevada J. Sanchez0
Tyler S. Ralston0
Jonathan M. Rothberg0
Date of Patent
January 3, 2017
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Patent Application Number
141728400
Date Filed
February 4, 2014
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Patent Citations Received
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US Patent 12130391 Methods and apparatuses for azimuthal summing of ultrasound data
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US Patent 11655141 Fabrication techniques and structures for gettering materials in ultrasonic transducer cavities
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US Patent 11684951 Micromachined ultrasonic transducer devices having truncated circle shaped cavities
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US Patent 11684949 CMOS ultrasonic transducers and related apparatus and methods
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US Patent 11712221 Universal ultrasound device and related apparatus and methods
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US Patent 11766696 Bi-layer metal electrode for micromachined ultrasonic transducer devices
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US Patent 11833542 CMOS ultrasonic transducers and related apparatus and methods
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Patent Primary Examiner
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Luke Ratcliffe
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Patent abstract

CMOS Ultrasonic Transducers and processes for making such devices are described. The processes may include forming cavities on a first wafer and bonding the first wafer to a second wafer. The second wafer may be processed to form a membrane for the cavities. Electrical access to the cavities may be provided.

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