Quartz crystal resonator with high stability

• Main Authors: WU YANLEI, WANG LINLIANG, JIN LIHUI, LIN TAO
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2022
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

The utility model relates to a quartz crystal resonator with high stability, which comprises a quartz chip, a ceramic base and an upper cover, a metal ring is mounted at the upper end of the ceramic base, the upper cover is mounted on the metal ring, an internal electrode and the quartz chip connected with the internal electrode are mounted at the upper end of the ceramic base and positioned in the metal ring, and the quartz chip is mounted on the upper end of the ceramic base. The quartz chip comprises a plate-shaped quartz wafer and an excitation electrode used for exciting the quartz wafer to generate a piezoelectric effect, the excitation electrode is connected with the internal electrode, the excitation electrode comprises an inner layer film and an outer layer film which are arranged in a laminated manner, and the outer layer film is a heat-resistant conductive alloy film. According to the utility model, the heat resistance can be effectively improved, the stress generated after heating is reduced, and