Fingerprint sensing assemblies and methods of making
First Claim
Patent Images
1. A fingerprint sensing module comprising:
- a sensor substrate having a sensing side and a circuit side;
an image sensor including conductive traces on the circuit side of the sensor substrate; and
a sensor circuit including at least one integrated circuit mounted on the circuit side of the sensor substrate and electrically connected to the image sensor.
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Abstract
A fingerprint sensing module includes a sensor substrate having a sensing side and a circuit side, an image sensor including conductive traces on the circuit side of the sensor substrate, and a sensor circuit including at least one integrated circuit mounted on the circuit side of the sensor substrate and electrically connected to the image sensor. The sensor substrate may be a flexible substrate. The module may include a velocity sensor on the sensor substrate or on a separate substrate. The module may further include a rigid substrate, and the sensor substrate may be affixed to the rigid substrate.
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Citations
32 Claims
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1. A fingerprint sensing module comprising:
- a sensor substrate having a sensing side and a circuit side;
an image sensor including conductive traces on the circuit side of the sensor substrate; and
a sensor circuit including at least one integrated circuit mounted on the circuit side of the sensor substrate and electrically connected to the image sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
- a sensor substrate having a sensing side and a circuit side;
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24. A fingerprint sensing module comprising:
- a flexible substrate having a sensing side and a circuit side;
an image sensor including conductive traces on the circuit side of the flexible substrate;
a velocity sensor including conductive traces on the circuit side of the flexible substrate;
a sensor circuit including at least one integrated circuit mounted on the circuit side of the flexible substrate and electrically connected to the image sensor and the velocity sensor; and
a rigid substrate, wherein the circuit side of the flexible substrate is affixed to a surface of the rigid substrate.
- a flexible substrate having a sensing side and a circuit side;
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25. A fingerprint sensing module comprising:
- a rigid substrate;
an image sensor including conductive traces on the substrate;
a velocity sensor including conductive traces on the substrate; and
a sensor circuit including at least one integrated circuit mounted on the substrate and electrically connected to the image sensor and the velocity sensor, wherein the image sensor, the velocity sensor and the sensor circuit are mounted on a first surface of the rigid substrate. - View Dependent Claims (26, 27, 28, 29)
- a rigid substrate;
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30. A method for making a fingerprint sensing module, comprising:
- providing a flexible substrate having a sensing side and a circuit side;
forming an image sensor including conductive traces on the circuit side of the flexible substrate;
forming a velocity sensor including conductive traces on the circuit side of the flexible substrate;
mounting a sensor circuit including at least one integrated circuit on the circuit side of the flexible substrate; and
affixing the circuit side of the flexible substrate to a surface of a rigid substrate.
- providing a flexible substrate having a sensing side and a circuit side;
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31. A fingerprint sensing module comprising:
- a first flexible substrate having an image sensor including conductive traces on the first flexible substrate and a sensor integrated circuit mounted on the first flexible substrate and electrically connected to the image sensor;
a second flexible substrate having a velocity sensor including conductive traces on the second flexible substrate; and
a base for mounting the first and second flexible substrates so that the conductive traces of the image sensor and the velocity sensor are substantially coplanar. - View Dependent Claims (32)
- a first flexible substrate having an image sensor including conductive traces on the first flexible substrate and a sensor integrated circuit mounted on the first flexible substrate and electrically connected to the image sensor;
Specification