WIRELESS IC DEVICE AND METHOD OF MANUFACTURING THE SAME
First Claim
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1. A wireless IC device comprising:
- an insulating sheet;
a plurality of coil electrodes defining an antenna coil and being arranged so as to sandwich the insulating sheet therebetween and to be connected to one another;
whereinthe plurality of coil electrodes are superposed with one another so as to define a single ring when viewed in plan from a direction extending perpendicular or substantially perpendicular to a direction in which a main surface of the insulating sheet extends.
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Abstract
A wireless IC device includes a plurality of insulating sheets that are stacked on top of one another. Coil electrodes are arranged so as to sandwich the insulating sheets therebetween and define an antenna coil by being connected to one another. The coil electrodes are superposed with one another and thereby define a single ring when viewed in plan from a z-axis direction.
127 Citations
18 Claims
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1. A wireless IC device comprising:
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an insulating sheet; a plurality of coil electrodes defining an antenna coil and being arranged so as to sandwich the insulating sheet therebetween and to be connected to one another;
whereinthe plurality of coil electrodes are superposed with one another so as to define a single ring when viewed in plan from a direction extending perpendicular or substantially perpendicular to a direction in which a main surface of the insulating sheet extends. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of manufacturing a wireless IC device, comprising:
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a step of forming coil electrodes on a plurality of insulating sheets; and a step of stacking the plurality of insulating sheets on top of one another such that the coil electrodes are superposed with one another and thereby form a single ring when viewed in plan from a direction extending perpendicular or substantially perpendicular to a direction in which main surfaces of the plurality of insulating sheets extend. - View Dependent Claims (15, 16, 17, 18)
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Specification