| 摘要 |
PROBLEM TO BE SOLVED: To provide a holding structure for a piezoelectric vibrating element employing a support used in common for piezoelectric vibrating elements with different thickness in a piezoelectric device of a conventional type where a circular piezoelectric vibrating element longitudinally held by supports projected on a metallic base is air-tightly sealed by a metallic case. SOLUTION: In the piezoelectric device comprising two supports 23 extended upward from a metallic base 21, a piezoelectric vibrating element 28 whose outer circumferential edge is held by the supports at a plurality of positions, and a metallic case 29 for air-tightly sealing a space on the metallic base including the piezoelectric vibrating element, each support is electrically connected to ends of both lead electrodes of the piezoelectric vibrating element, has holding sections 33, 34 that hold the outer circumferential edge of the piezoelectric vibrating element, each holding section comprises a substrate reception piece 40 for holding a piezoelectric substrate face and a notch 41 for packing an adhesive provided corresponding to the substrate reception piece, and number of holding sections of each support is at least three or more.
|
