RFID device with combined reactive coupler
First Claim
Patent Images
1. An RFID device comprising:
- a pair of components; and
a combined reactive coupler electrically coupling together the components, wherein the combined reactive coupler includes;
a magnetic coupler; and
a capacitive coupler;
wherein one of the components is on a substrate; and
wherein the other of the components is on an interposer that is mechanically coupled to the substrate.
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Abstract
An RFID device, such as an RFID tag or label, includes a combined reactive coupler electrically coupling a transponder chip to an antenna. The combined reactive coupler includes a magnetic coupler and a capacitive coupler. The magnetic coupler and the reactive coupler may have respective coupling elements on both the interposer and on an antenna substrate.
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Citations
35 Claims
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1. An RFID device comprising:
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a pair of components; and a combined reactive coupler electrically coupling together the components, wherein the combined reactive coupler includes; a magnetic coupler; and a capacitive coupler; wherein one of the components is on a substrate; and wherein the other of the components is on an interposer that is mechanically coupled to the substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. An RFID device comprising:
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a pair of components; and a combined reactive coupler electrically coupling together the components, wherein the combined reactive coupler includes; a magnetic coupler; and a capacitive coupler; wherein the device further comprises an adhesive layer between the components. - View Dependent Claims (31, 32, 33, 34)
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35. An RFID device comprising:
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an antenna portion that includes an antenna substrate, and an antenna on the antenna substrate; an interposer mechanically coupled to the antenna portion, wherein the interposer includes a transponder chip; and a combined reactive coupler electrically coupling together the antenna and the transponder chip, wherein the combined reactive coupler includes; a magnetic coupler; and a capacitive coupler; wherein the magnetic coupler includes; an antenna portion magnetic coupling element electrically coupled to the antenna; and an interposer magnetic coupling element electrically coupled to the chip; and wherein the capacitive coupler includes; an antenna portion pair of capacitive coupling elements that are electrically coupled to the antenna; an interposer pair of capacitive coupling elements that are electrically coupled to the transponder chip; and a dielectric material between the pairs of capacitive coupling elements.
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Specification