Microwave transponder
First Claim
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1. A microwave transponder comprising:
- a conductive plate including an antenna;
a semiconductor chip disposed within a terminal gap substantially located in a center of the conductive plate; and
a window of a predetermined shape formed to extend from the terminal gap toward a side of the conductive plates,where the predetermined shape of the window is a circular-shape, andwherein the window has a characteristic dimension to optimize an operating range depending on a bending degree of the conductive plate.
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Abstract
A microwave transponder. The microwave transponder includes a conductive plate including an antenna, and a semiconductor chip disposed within a terminal gap located in a vicinity of a center of the conductive plate. A window of a predetermined shape is formed to extend from the terminal gap toward a side of the conductive plate. The perfect impedance matching is fulfilled even when the transponder is bent. Since the return loss of the electromagnetic power is reduced at least in a quarter through the impedance matching, the energy transferred to the transponder is maximized.
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Citations
7 Claims
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1. A microwave transponder comprising:
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a conductive plate including an antenna; a semiconductor chip disposed within a terminal gap substantially located in a center of the conductive plate; and a window of a predetermined shape formed to extend from the terminal gap toward a side of the conductive plates, where the predetermined shape of the window is a circular-shape, and wherein the window has a characteristic dimension to optimize an operating range depending on a bending degree of the conductive plate. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification