DEVICE MOUNTABLE PACKAGING OF ULTRASONIC TRANSDUCERS
First Claim
Patent Images
1. An electronic device comprising:
- an array of ultrasonic transducers for generating and receiving ultrasonic signals; and
an acoustic coupling layer overlying the array of ultrasonic transducers, wherein the ultrasonic signals are propagated through the acoustic coupling layer.
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Abstract
An electronic device including an array of ultrasonic transducers for generating and receiving ultrasonic signals, and an acoustic coupling layer overlying the array of ultrasonic transducers, where the ultrasonic signals are propagated through the acoustic coupling layer.
61 Citations
26 Claims
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1. An electronic device comprising:
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an array of ultrasonic transducers for generating and receiving ultrasonic signals; and an acoustic coupling layer overlying the array of ultrasonic transducers, wherein the ultrasonic signals are propagated through the acoustic coupling layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An electronic device comprising:
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an array of ultrasonic transducers for generating and receiving ultrasonic signals; sidewalls bounding the array of ultrasonic transducers; an acoustic coupling layer overlying the array of ultrasonic transducers and bounded by the sidewalls, wherein the ultrasonic signals are propagated through the acoustic coupling layer, the acoustic coupling layer comprising an acoustic material supporting transmission of the ultrasonic signals; and a cover overlying the sidewalls and the acoustic coupling layer. - View Dependent Claims (13, 14, 15, 16)
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17. A mobile device comprising:
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a processor; a memory unit; a display device disposed on a first surface of the mobile device; and a fingerprint sensor disposed on a second surface of the mobile device, the fingerprint sensor comprising; an array of ultrasonic transducers for generating and receiving ultrasonic signals; and an acoustic coupling layer overlying the array of ultrasonic transducers, wherein the ultrasonic signals are propagated through the acoustic coupling layer. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification