PIEZOELECTRIC COMPONENT

• Main Author: NAKAMA HIROTO
• Format: Patent
• Language: English; Japanese
• Published: 01.06.2017
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

PROBLEM TO BE SOLVED: To provide a piezoelectric component capable of suppressing ripple within a bandwidth of a major vibration.SOLUTION: Disclosed piezoelectric component includes: a support board 1; and a piezoelectric element 2 which has opposite areas opposing each other on which a first excitation electrode 211 and a second excitation electrode 212 are formed and which is fixed to the support board 1. At least one of the first excitation electrode 211 and the second excitation electrode 212 has a portion where the thickness is different from the other portion. With this, a piezoelectric component capable of suppressing ripple within a bandwidth of a major vibration is achieved.SELECTED DRAWING: Figure 1 【課題】 主振動の帯域内におけるリップルの発生を抑制した圧電部品を提供する。【解決手段】 本発明の圧電部品は、支持基板１と、支持基板１に固定され、互いに対向する対向領域を有する第１の励振電極２１１および第２の励振電極２１２が設けられた圧電素子２とを備え、第１の励振電極２１１および第２の励振電極２１２の少なくとも一方において厚みの異なる部位を有している。これにより、主振動の帯域内におけるリップルの発生を抑制した圧電部品を実現できる。【選択図】 図１