PIEZOELECTRIC VIBRATION DEVICE

• Main Authors: ISHINO SATORU, KOJO TAKUYA
• Format: Patent
• Language: English; Japanese
• Published: 04.06.2020
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; GENERATION OF NOISE BY SUCH CIRCUITS; GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

To provide a piezoelectric vibration device having a sandwich structure capable of preventing corrosion of a Ti film at the mounting of a substrate.SOLUTION: In a crystal oscillator 101, a crystal diaphragm 2, a first sealing member 3 that coats a first excitation electrode of the crystal diaphragm...