Fingerprint recognition apparatus
First Claim
1. A fingerprint recognition apparatus, comprising:
- an electrode-and-wiring substrate having two main surfaces opposite to each other, where one main surface is in proximity to user finger and the electrode-and-wiring substrate has a plurality of sensing electrodes on the other main surface, wherein the electrode-and-wiring substrate is formed as a single plate structure, and a sensing area corresponding to the user finger is formed on the other main surface of the electrode-and-wiring substrate, and the plurality of sensing electrodes are within the sensing area; and
an integrated circuit (IC) chip having a fingerprint sensing circuit and a plurality of metal bumps, at least part of the metal bumps electrically connected with the fingerprint sensing circuit and corresponding sensing electrodes on the electrode-and-wiring substrate, whereby the fingerprint sensing circuit is electrically connected to the sensing electrodes.
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Accused Products
Abstract
A fingerprint recognition apparatus includes an electrode-and-wiring substrate having two main surfaces opposite to each other, where one main surface is in proximity to user finger and the electrode-and-wiring substrate has a plurality of sensing electrodes on the other main surface. The fingerprint recognition apparatus further includes an integrated circuit (IC) chip having a fingerprint sensing circuit and a plurality of metal bumps. At least part of the metal bumps are electrically connected to the fingerprint sensing circuit and corresponding sensing electrodes on the electrode-and-wiring substrate, whereby the fingerprint sensing circuit is electrically connected to the sensing electrodes.
7 Citations
19 Claims
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1. A fingerprint recognition apparatus, comprising:
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an electrode-and-wiring substrate having two main surfaces opposite to each other, where one main surface is in proximity to user finger and the electrode-and-wiring substrate has a plurality of sensing electrodes on the other main surface, wherein the electrode-and-wiring substrate is formed as a single plate structure, and a sensing area corresponding to the user finger is formed on the other main surface of the electrode-and-wiring substrate, and the plurality of sensing electrodes are within the sensing area; and an integrated circuit (IC) chip having a fingerprint sensing circuit and a plurality of metal bumps, at least part of the metal bumps electrically connected with the fingerprint sensing circuit and corresponding sensing electrodes on the electrode-and-wiring substrate, whereby the fingerprint sensing circuit is electrically connected to the sensing electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A fingerprint recognition apparatus, comprising:
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a wiring substrate having two main surfaces opposite to each other, where one main surface is in proximity to user finger and the wiring substrate has a plurality of conductive pads and conductive wires on the other main surface; and an integrated circuit (IC) chip having a fingerprint sensing circuit, a plurality of sensing electrodes and a plurality of metal bumps, the fingerprint sensing circuit electrically connected with the sensing electrodes, wherein the fingerprint sensing circuit is electrically connected with parts of the conductive pads and part of the conductive wires on the wiring substrate, whereby the fingerprint sensing circuit is electrically connected to an external electric circuit; wherein the wiring substrate is formed as a single plate structure and completely covers a sensing area formed by the plurality of sensing electrodes on the integrated circuit (IC). - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification