| 摘要 |
By applying a laser beam that is absorbed into a quartz crystal to an upper right end of a crystal chip, the height of the crystal chip is altered step by step to form a first step, a second step, a third step, and a fourth step, respectively. As such, control of the shape of a quartz crystal resonator is easy even if the quartz crystal resonator is miniaturized, the shape and the performance of a processed quartz crystal resonator are satisfactory, quartz crystal resonators of various shapes can be formed, a quartz crystal resonator can be formed at low cost with a small number of man-hours, a load in driving a quartz crystal resonator is small, and versatile equipment and tools can be used.
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