Biometrics Sensor Having Flat Contact Surface Formed by Signal Extending Structure and Method of Manufacturing Such Sensor
First Claim
1. A biometrics sensor, comprising:
- a base;
a biometrics sensing module, which is disposed on an upper surface of the base, and comprises a biometrics sensing chip and a signal extending structure, wherein the signal extending structure is disposed on and electrically connected to the biometrics sensing chip, the signal extending structure and the biometrics sensing chip functionally link with each other to sense a fine biometrics characteristic of an organism, contacting or approaching the biometrics sensor, to obtain a biometrics signal;
a signal transmission structure, which is disposed on the base and one side or sides of the biometrics sensing module, and has a first connection end electrically connected to the signal extending structure, and a second connection end near the base, so that the biometrics signal is transmitted from the biometrics sensing module to the second connection end, wherein the signal extending structure comprises a horizontally outwardly expanded connection structure electrically connecting connection pads of the biometrics sensing chip to the signal transmission structure; and
a molding layer, connected to the base, the biometrics sensing module and the signal transmission structure, so that a sensing surface and an electrical signal interface of the biometrics sensor are disposed on a front side and a back side of the biometrics sensor, respectively.
1 Assignment
0 Petitions
Accused Products
Abstract
A biometrics sensor comprises: a base; a biometrics sensing module disposed on the base and comprising a biometrics sensing chip and a signal extending structure, both of which functionally link with each other to sense a fine biometrics characteristic of an organism to obtain a biometrics signal; a signal transmission structure disposed on the base and one side or sides of the biometrics sensing module and having a first connection end electrically connected to the signal extending structure, and a second connection end near the base, so that the biometrics signal is transmitted from the biometrics sensing module to the second connection end; and a molding layer, connected to the base, the biometrics sensing module and the signal transmission structure, with an upper surface of the signal extending structure being exposed from the molding layer. A method of manufacturing the biometrics sensor is also disclosed.
14 Citations
25 Claims
-
1. A biometrics sensor, comprising:
-
a base; a biometrics sensing module, which is disposed on an upper surface of the base, and comprises a biometrics sensing chip and a signal extending structure, wherein the signal extending structure is disposed on and electrically connected to the biometrics sensing chip, the signal extending structure and the biometrics sensing chip functionally link with each other to sense a fine biometrics characteristic of an organism, contacting or approaching the biometrics sensor, to obtain a biometrics signal; a signal transmission structure, which is disposed on the base and one side or sides of the biometrics sensing module, and has a first connection end electrically connected to the signal extending structure, and a second connection end near the base, so that the biometrics signal is transmitted from the biometrics sensing module to the second connection end, wherein the signal extending structure comprises a horizontally outwardly expanded connection structure electrically connecting connection pads of the biometrics sensing chip to the signal transmission structure; and a molding layer, connected to the base, the biometrics sensing module and the signal transmission structure, so that a sensing surface and an electrical signal interface of the biometrics sensor are disposed on a front side and a back side of the biometrics sensor, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A method of manufacturing a biometrics sensor, the method comprising the steps of:
-
(a) providing a biometrics sensing chip; (b) forming one portion of a signal extending structure on the biometrics sensing chip to constitute one portion of a biometrics sensing module; (c) providing a base structure having a base and a signal transmission structure disposed on the base; (d) disposing the one portion of the biometrics sensing module on an upper surface of the base with the signal transmission structure being disposed on one side or sides of the biometrics sensing module; (e) utilizing a molding layer connected to the base, the one portion of the biometrics sensing module and the signal transmission structure with the one portion of the signal extending structure being exposed from the molding layer; and (f) forming the other portion of the signal extending structure to electrically connect the one portion of the signal extending structure to the signal transmission structure, wherein the signal extending structure comprises a horizontally outwardly expanded connection structure, which electrically connects connection pads of the biometrics sensing chip to the signal transmission structure, the signal extending structure and the biometrics sensing chip functionally link with each other to sense a fine biometrics characteristic of an organism, contacting or approaching the signal extending structure, to obtain a biometrics signal transmitted to the signal transmission structure, so that a sensing surface and an electrical signal interface of the biometrics sensor are disposed on a front side and a back side of the biometrics sensor, respectively. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
-
17. A biometrics sensor, comprising:
-
a base; a biometrics sensing module, which is disposed on an upper surface of the base and comprises a biometrics sensing chip, a signal processing chip and a signal extending structure, wherein the signal extending structure is disposed on and electrically connected to the biometrics sensing chip and the signal processing chip, the signal extending structure functionally links with the biometrics sensing chip and the signal processing chip to sense a fine biometrics characteristic of an organism, contacting or approaching the biometrics sensor, to obtain a biometrics signal, and the signal processing chip receives and processes a sensing signal coming from the biometrics sensing chip to obtain the biometrics signal; a signal transmission structure, which is disposed on the base and one side or sides of the biometrics sensing module, and has a first connection end electrically connected to the signal extending structure, a second connection end near the base and a middle connection portion electrically connected to the biometrics sensing chip and the signal processing chip, wherein the signal transmission structure transmits the biometrics signal from the biometrics sensing module to the second connection end, wherein the signal extending structure comprises a horizontally outwardly expanded connection structure electrically connecting output connection pads of the signal processing chip to the signal transmission structure; and a molding layer connected to the base, the biometrics sensing module and the signal transmission structure with a sensing surface and an electrical signal interface of the biometrics sensor being disposed on a front side and a back side of the biometrics sensor, respectively. - View Dependent Claims (18, 19, 20, 21, 22, 23)
-
-
24. A method of manufacturing a biometrics sensor, the method comprising the steps of:
-
(a) providing a biometrics sensing chip and a signal processing chip; (b) forming one portion of a signal extending structure on the biometrics sensing chip and the signal processing chip to constitute one portion of a biometrics sensing module; (c) providing a base structure having a base and a signal transmission structure disposed on the base; (d) disposing the one portion of the biometrics sensing module on an upper surface of the base with the signal transmission structure being disposed on one side or sides of the biometrics sensing module; (e) utilizing a molding layer connected to the base, the one portion of the biometrics sensing module and the signal transmission structure with the one portion of the signal extending structure being exposed from the molding layer; and (f) forming the other portion of the signal extending structure to electrically connect the one portion of the signal extending structure to the signal transmission structure, and to electrically connect the biometrics sensing chip to the signal processing chip, wherein the signal extending structure functionally links with the biometrics sensing chip and the signal processing chip to sense a fine biometrics characteristic of an organism, contacting or approaching the signal extending structure, to obtain a biometrics signal transmitted to the signal transmission structure, so that a sensing surface and an electrical signal interface of the biometrics sensor are disposed on a front side and a back side of the biometrics sensor, respectively, wherein the signal processing chip receives and processes a sensing signal coming from the biometrics sensing chip to obtain the biometrics signal. - View Dependent Claims (25)
-
Specification