Importance

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Abstract

The present disclosure provides methods for manufacturing a radio frequency (RF) powder including a plurality of RF particles, each of which includes a circuit element. A plurality of circuit elements, each corresponding to a different RF particle, may be formed on a first surface of a substrate. Grooves may be etched into the first surface of the substrate between the plurality of circuit elements. A protection film may be formed on each of the plurality of circuit elements and a portion of the substrate between a second, opposite surface of the substrate and bottoms of the grooves may be removed so that each of the plurality of circuit elements is associated with the remaining portion of the substrate.

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First Claim