Capacitive Sensor Packaging
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Accused Products
Abstract
An apparatus comprises a fingerprint sensor having a set of capacitive elements configured for capacitively coupling to a user fingerprint. The fingerprint sensor may be disposed under a control button or display element of an electronic device, for example one or more of a control button and a display component. A responsive element is responsive to proximity of the user fingerprint, for example one or both of a first circuit responsive to motion of the control button, and a second circuit responsive to a coupling between the fingerprint and a surface of the display element. The fingerprint sensor is disposed closer to the fingerprint than the responsive element. The control button or display component may include an anisotropic dielectric material, for example sapphire.
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Citations
98 Claims
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1-77. -77. (canceled)
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78. An electronic device, comprising:
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a display element; a fingerprint sensor adjacent the display element; a first rigid substrate positioned below the fingerprint sensor; a circuit element positioned below the first rigid substrate and electrically connected to the fingerprint sensor; and a stiffener positioned below the circuit element. - View Dependent Claims (79, 80, 81, 82, 83, 84, 85)
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86. An electronic device, comprising:
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a fingerprint sensor; a first circuit element positioned below the fingerprint sensor and electrically connected to the fingerprint sensor; a second circuit element positioned below the first circuit element; and a stiffener positioned below the second circuit element. - View Dependent Claims (87, 88, 89, 90, 91, 92, 93, 94, 95)
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96. An electronic device comprising:
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a fingerprint sensor; a first circuit element positioned below the fingerprint sensor and electrically connected to the fingerprint sensor; a stiffener positioned below the first circuit element; a second circuit element positioned below the stiffener; and a switch element positioned below the second circuit element and electrically connected to the second circuit element. - View Dependent Claims (97, 98)
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Specification