| 摘要 |
Disclosed is a sensor device in which the vibration efficiency is not lowered. In the case of a spring-mass model in which a vibration sensor element is regarded as a mass body and a die-bond material is regarded as an elastic body, when the resonant frequency of the model approaches the vibrational frequency of a vibrator, the original vibration of the vibrator is inhibited. Specifically disclosed is a sensor device provided with a case (41), a vibration sensor element (10) which is mounted on the case (41) and provided therein with a vibrator, the vibration direction of which is parallel to a surface mounted on the case, and a die-bond material (31) disposed between the case (41) and the vibration sensor element (10), the sensor device being characterized in that when the vibrational frequency of the vibrator is f1, the mass of the vibration sensor element is M, the bond area of the die-bond material is S, the thickness thereof is d, and the transverse elastic coefficient thereof is G, a predetermined formula is satisfied.
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