Resonant apparatus for wireless power transfer
First Claim
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1. A resonant apparatus for wireless power transmission, the resonant apparatus comprising:
- a conducting loop;
two dielectric layers of which central portions are etched; and
a capacitor comprising a metacapacitor, the metacapacitor comprising two metal electrodes and a piezoelectric layer disposed between the two metal electrodes,wherein the metacapacitor is disposed on a lower dielectric layer of the two dielectric layers,wherein an upper dielectric layer of the two dielectric layers is disposed on an upper electrode of the two metal electrodes, andwherein the conducting loop is disposed on the upper layer of the two dielectric layers.
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Abstract
Provided is a bulk acoustic resonator (BAR)-based resonant structure in relation to electric and radio technologies, and more particularly, to a wireless power transmission system. A resonant apparatus for wireless power transmission may include a conducting loop, and a high quality capacitor. The high quality capacitor may include a metacapacitor including a thin piezoelectric layer disposed between two metal electrodes. The metacapacitor may be disposed between two dielectric layers of which central portions are etched, and the conducting loop may be disposed on an upper layer of the two dielectric layers.
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Citations
20 Claims
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1. A resonant apparatus for wireless power transmission, the resonant apparatus comprising:
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a conducting loop; two dielectric layers of which central portions are etched; and a capacitor comprising a metacapacitor, the metacapacitor comprising two metal electrodes and a piezoelectric layer disposed between the two metal electrodes, wherein the metacapacitor is disposed on a lower dielectric layer of the two dielectric layers, wherein an upper dielectric layer of the two dielectric layers is disposed on an upper electrode of the two metal electrodes, and wherein the conducting loop is disposed on the upper layer of the two dielectric layers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A wireless power transmission device, comprising:
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a metacapacitor comprising an upper electrode layer, an lower electrode layer and a piezoelectric layer that is disposed between the upper electrode layer and the lower electrode layer; two dielectric layers of which central portions are etched, wherein the metacapacitor is disposed on a lower dielectric layer of the two dielectric layers, and wherein an upper dielectric layer of the two dielectric layers is disposed on the upper electrode layer; and a conducting loop layer disposed on the upper dielectric layer of the two dielectric layers, wherein the wireless power transmission device is configured to transfer and/or receive power wirelessly through magnetic coupling. - View Dependent Claims (19, 20)
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Specification