CRYSTAL RESONATOR AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Mar 10, 2022
filing date -
Mar 17, 2021
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Abstract
In a crystal resonator (100), a crystal resonator plate (10) includes: a vibrating part (11); an external frame part (12) provided at a side of an outer periphery of the vibrating part (11); and a penetrating part (10a) provided between the vibrating part (11) and the external frame part (12) so as to penetrate the crystal resonator plate (10) in a thickness direction of the crystal resonator plate (10). An inclined surface (11c) is provided at an end part of the vibrating part (11) at the side of the penetrating part (10a) so as to protrude in the thickness direction and to be inclined with respect to a vibrating surface (11b) of the vibrating part (11).
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