| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration element and a vibrator having excellent impact resistance, and to provide a highly reliable electronic device and moving body which are equipped with the vibration element.SOLUTION: The vibration element comprises a base part 21, a coupling arm 231 extending from the base part 21, and drive arms 241, 242 extending from the coupling arm 231. The coupling arm 231 has coupling arm-use tapered parts 2314a, 2314b provided in a base part-side connection part 2312 connecting a coupling arm-use arm part 2311 and the base part 21, and coupling arm-use tapered parts 2315a, 2315b provided in a vibration arm-side connection part 2313 connecting the coupling arm-use arm part 2311 and drive arms 241, 242, where, when the width of the coupling arm-use arm part 2311 is expressed by a and the lengths of the coupling arm-use tapered parts 2314a, 2314b, 2315a, 2315b extending along the width direction of the coupling arm-use part 2311 are expressed by b1, the relationship a≤b1 is satisfied. |
