| 摘要 |
A piezoelectric vibrating element includes a main vibration section (12) vibrating in a constant direction, an open edge (15) formed at least at one edge among edges provided in a vibration direction of the main vibration section, an outer frame section (20) formed so as to surround the main vibration section, and a junction section (18a,18b) being disposed between the main vibration section excluding the open edge and the outer frame section, having groove parts (16a,16b,16c) being recessed with respect to both surfaces of the main vibration section and flat parts (17a,17b) being substantially flush with the both surfaces of the main vibration section, and being formed so as to integrally connect the main vibration section with the outer frame section. |
