| 摘要 |
An apparatus includes an inspection jig having a sample mounting fixture for mounting a sample, a vibrator for applying a vibration to the sample, and a sound collector for collecting vibration sound when the vibration is applied to the sample, and a sound detector for frequency analysis of the vibration sound collected by the sound collector. The sample is pinched and fixed by a contact surface of the sound collector and a fixing part with a contact area similar to the contact surface when the sample is mounted in the sample mounting fixture. The sample mounting fixture is mounted on a shaft of an inspection jig fixed in a bearing.
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