| 摘要 |
A resonator element includes: a resonating body having a first region and a second region, the first region receiving a compression stress or an extension stress by a vibration, the second region receiving an extension stress responding to the compression stress in the first region, or a compression stress responding to the extension stress of the first region; and at least one film layer, on a surface of the resonating body between the first and the second regions, having thermal conductivity higher than thermal conductivity of the resonating body. In the element, the film layer includes a recessed section in which at least one film layer is removed between the first and the second regions.
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