METHOD OF MANUFACTURING VIBRATOR ELEMENT, VIBRATOR ELEMENT, AND VIBRATOR
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Nov 22, 2024
filing date -
Nov 22, 2024
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Abstract
A method of manufacturing a vibrator element having a vibrating part which vibrates in a thickness-shear mode, and a thin-wall part which is coupled to the vibrating part, and which is thinner than the vibrating part includes a preparation step of preparing a quartz crystal substrate, a resist film formation step of forming a resist film in a vibrating part area of the quartz crystal substrate where the vibrating part is formed, an etching step of etching the quartz crystal substrate via the resist film, then ending the etching in a state in which the resist film remains in the vibrating part area to thereby form the vibrating part and the thin-wall part, and a resist film removal step of removing the resist film remaining.
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