| 摘要 |
A vibrating gyro element that is formed of a piezoelectric material having a trigonal crystal structure and having a trigonal axis with respect to the Y-axis, includes a base portion, a detection arm extending in the Y-axis direction from one side of the base portion, and a pair of drive arms extending from the detection arm. One of the pair of drive arms extends in a direction at an angle of substantially +120 degrees with respect to the Y-axis direction. The other of the pair of drive arms extends in a direction at an angle of substantially -120 degrees with respect to the Y-axis direction. The drive arms exist on substantially the same plane as the base portion and the detection arm.
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