| CPC G02F 1/19 (2013.01) | 20 Claims |
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1. A meta-structure comprising:
a lower electrode;
a lower insulating layer on the lower electrode;
a lower metal oxide layer on the lower insulating layer;
a lower metal layer on the lower metal oxide layer;
a middle metal oxide layer on the lower metal layer;
an upper metal layer on the middle metal oxide layer;
an upper metal oxide layer on the upper metal layer;
an upper insulating layer on the upper metal oxide layer; and
antenna electrodes on the upper insulating layer.
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