| 摘要 |
An angular velocity sensor comprises a receiving member receiving therein a case containing a vibration element and an IC, and having a hole usable in soldering one end of a terminal strip to a case electrode, whereby, after this soldering operation, a condition of a soldered region in a mounting portion can be checked through the hole. This prevents deficiency in a solder amount required for soldering between the case and the receiving member to ensure accuracy in an output signal of the angular velocity sensor.
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