RFID TAG WITH ANTENNA AND SENSE CONDUCTOR
First Claim
Patent Images
1. A tag for a radio frequency identification system, the tag comprising:
- a substrate;
a transponder mounted on the substrate;
the transponder comprising electronic circuitry and an antenna connected to the circuitry;
a sense element on the substrate which is sensitive to damage to the substrate and which element is connected to a sense input of the circuitry;
the antenna comprising a metal layer and the sense element a layer of conductive ink.
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Abstract
A radio frequency identification (RFID) system and more particularly a tag comprising a transponder forming parts of such a system. The tag preferably includes a substrate; a transponder mounted on the substrate; the transponder comprising electronic circuitry and an antenna connected to the circuitry; a sense element on the substrate which is sensitive to damage to the substrate and which is connected to a sense input of the circuitry; the antenna comprising a metal layer and the sense element a layer of conductive ink.
8 Citations
13 Claims
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1. A tag for a radio frequency identification system, the tag comprising:
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a substrate; a transponder mounted on the substrate; the transponder comprising electronic circuitry and an antenna connected to the circuitry; a sense element on the substrate which is sensitive to damage to the substrate and which element is connected to a sense input of the circuitry; the antenna comprising a metal layer and the sense element a layer of conductive ink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of forming an RFID tag, the method comprising the steps of:
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forming a conductive antenna for transponder circuitry on a substrate, utilizing a first process; and forming a sense element on the substrate that is sensitive to damage to the substrate, utilizing a second process. - View Dependent Claims (11, 12, 13)
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Specification