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US 11,900,720 B2Granted
Circuit board and smart card for fingerprint recognition including the same
AssigneeLG Innotek Co., Ltd.
InventorsSeung Joon Kim, Yong Hyun Gwon, Yong Hyun Cho
Life of this patent
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Abstract
A circuit board according to an embodiment includes: a substrate including one surface and the other surface; a first circuit pattern disposed on the one surface; and a second circuit pattern disposed on the other surface, wherein at least one via is formed in the substrate, and the first circuit pattern and the second circuit pattern are wire-bonded through the via to conduct electricity.
Claims20
A circuit board comprising:
- a substrate including one surface and an other surface;
- a first circuit pattern disposed on the one surface;
- a second circuit pattern disposed on the other surface,
- a first adhesive layer on the one surface of the substrate;
- and
- a second adhesive layer on the other surface of the substrate,
- wherein the first circuit pattern directly contacts the first adhesive layer,
- wherein the second circuit pattern directly contacts the second adhesive layer,
- wherein a plurality of vias are formed in the substrate, and
- the first circuit pattern and the second circuit pattern are wire-bonded through one of the vias to conduct electricity.
7 more elements
A smart card for fingerprint recognition comprising:
- a card body including an opening;
- and
- a circuit board accommodated in the opening of the card body,
- wherein the card body includes:
- a chip that stores fingerprint information;
- a micro controller unit;
- a battery for supplying power to the micro controller unit;
- and
- a fingerprint sensor supplied with the power by the micro controller unit, and
- the circuit board includes:
- a substrate including one surface and the other surface;
- a first circuit pattern disposed on the one surface;
- and
- a second circuit pattern disposed on the other surface,
- wherein at least one via is formed in the substrate,
- wherein the first circuit pattern and the second circuit pattern are wire-bonded through the via to conduct electricity, and
- wherein the circuit board is electrically connected to the fingerprint sensor and the chip.
14 more elements
Dependencies are inferred from the claim text.