Importance

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Abstract

Provided is an antenna. The antenna includes: at least one phase-shifting structure, a first reference electrode layer, and a feed substrate; wherein each of the at least one phase-shifting structure includes a first dielectric substrate, a second dielectric substrate, a first electrode layer, a second electrode layer, and a tunable dielectric layer; a first via is defined in the first reference electrode layer; the feed substrate includes a first dielectric layer and a feed structure, and a second via is defined in the first dielectric layer; and the antenna further includes a conductive member, wherein the feed structure includes a main circuit and at least one branch circuit, one of the at least one branch circuit is electrically connected to the conductive member, the conductive member is electrically connected to the first electrode layer through the first via, the second via, and a third via.

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First Claim