Importance

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Abstract

A RF antenna comprises a quartz resonator having electrodes disposed thereon with a magnetostrictive film disposed on the quartz resonator either on, partially under or adjacent at least one of the electrodes. A RF antenna having a magnetostrictive film may be made by patterning selected portions of a top surface of the quartz wafer for deposition of electrode metal and deposition of the magnetostrictive film and depositing the electrode metal and the magnetostrictive film; temporarily bonding the quartz wafer to a handle wafer; thinning the quartz wafer to a desired thickness; etching the quartz wafer to define the outlines of at least one quartz resonator bearing the electrode metal and the magnetostrictive film; patterning selected portions of a bottom surface the at least one quartz resonator for deposition of electrode metal and at least one bond pad and depositing the electrode metal and the at least one bond pad; bonding the at least one quartz resonator to a substrate wafer; and releasing the at least one quartz resonator from the handle wafer.

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First Claim