Quartz MEMS piezoelectric resonator for chipscale RF antennae
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United States of America
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Dec 10, 2024
Grant Date -
May 5, 2022
app pub date -
Jan 12, 2022
filing date -
Jan 12, 2022
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Abstract
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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