RF devices
First Claim
Patent Images
1. RFID tag comprising:
- a) a substrate,b) an antenna formed on the substrate,c) an RF IC chip bonded to the substrate and the antenna, the RF IC chip comprising at least one coupling capacitor plate formed on the surface of the RF IC chip so as to electrically couple RF signals between the RF IC chip and the antenna.
2 Assignments
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Accused Products
Abstract
A low cost passive RFID tag uses capacitive or inductive coupling between the RF IC chip and the antenna. Coupling elements are formed directly on the surface of the RF IC chip.
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Citations
18 Claims
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1. RFID tag comprising:
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a) a substrate, b) an antenna formed on the substrate, c) an RF IC chip bonded to the substrate and the antenna, the RF IC chip comprising at least one coupling capacitor plate formed on the surface of the RF IC chip so as to electrically couple RF signals between the RF IC chip and the antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. RFID tag comprising:
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a) a substrate, b) an antenna formed on the substrate, c) an RF IC chip bonded to the substrate and the antenna, the RF IC chip comprising at least one inductor element formed on the surface of the RF IC chip so as to electrically couple RF signals between the RF IC chip and the antenna. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification