SENSOR
First Claim
1. A sensor comprising:
- a non-conductive substrate; and
a conductive layer electronically printed on one surface of the substrate,wherein the conductive layer includes;
an antenna pattern for transmitting or receiving a radio signal to or from an external device;
a sensing electrode connected to the antenna pattern through a circuit line, for sensing an impedance change due to a contact with a sensing target material; and
a coating electrode deposited on the sensing electrode, for removing an occurrence of noise of the impedance change.
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Accused Products
Abstract
Provided is a sensor comprising a non-conductive substrate; and a conductive layer electronically printed on one side of the substrate, wherein the conductive layer comprises: an antenna pattern for transmitting and receiving a radio signal with an external device; a sensing electrode connected to the antenna pattern via a circular wiring for sensing an impedance change due to contact with a sensing target material; and a coating electrode stacked on the sensing electrode for removing an occurrence of noise of the impedance change. Accordingly, the present invention solves the problem of a sensor, in the form of a terminal, not being compact and the problem of high manufacturing costs and low manufacturing quality of a sensor manufactured using a deposition method in order to replace such sensor with a sensor manufactured by a printing method, and solves a corrosion problem of a sensing electrode, a durability problem, etc. that may occur in the sensor of the printing method.
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Citations
20 Claims
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1. A sensor comprising:
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a non-conductive substrate; and a conductive layer electronically printed on one surface of the substrate, wherein the conductive layer includes; an antenna pattern for transmitting or receiving a radio signal to or from an external device; a sensing electrode connected to the antenna pattern through a circuit line, for sensing an impedance change due to a contact with a sensing target material; and a coating electrode deposited on the sensing electrode, for removing an occurrence of noise of the impedance change. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A manufacturing method of a sensor, comprising:
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a first printing step of printing, on a non-conductive substrate, a sensing electrode connected with the antenna pattern through an antenna pattern for transmitting or receiving a radio signal to or from an external device and a circuit line, sensing an impedance change due to a contact of a sensing target material; and a second printing step of printing a coating electrode for removing occurrence of a noise of the impedance change on an outer side of the sensing electrode; and a drying step of heat drying the printed antenna pattern, sensing electrode and coating electrode. - View Dependent Claims (20)
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Specification