Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Patent Inventor Names
Karl Lundahl0
Date of Patent
March 21, 2023
0Patent Application Number
166459080
Date Filed
September 17, 2018
0Patent Citations
Patent Primary Examiner
An ultrasonic transducer device for use in an acoustic biometric imaging system, the ultrasonic transducer device comprising: a first piezoelectric element having a first face, a second face opposite the first face, and side edges extending between the first face and the second face; a first transducer electrode on the first face of the first piezoelectric element; a second transducer electrode on the second face of the first piezoelectric element; and a spacer structure leaving at least a portion of the first transducer electrode of the first piezoelectric element uncovered.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.