PIEZOELECTRIC DEVICE
    10.
    发明申请

    公开(公告)号:US20170345993A1

    公开(公告)日:2017-11-30

    申请号:US15599474

    申请日:2017-05-19

    发明人: KENICHI KIKUCHI

    摘要: A piezoelectric device includes a piezoelectric vibrating piece, a base, a wire, a conductive adhesive, and a buffer layer. The piezoelectric vibrating piece includes excitation electrodes and extraction electrodes at both principal surfaces. The base includes the piezoelectric vibrating piece and a first wiring electrode and a second wiring electrode connected to the extraction electrodes. The wire connects the extraction electrode on a surface opposite to a side of the base among the extraction electrodes to one wiring electrode of the first wiring electrode and the second wiring electrode. The conductive adhesive connects the extraction electrode at the base side among the extraction electrodes to the other wiring electrode among the first wiring electrode and the second wiring electrode. The buffer layer reduces stress of the wire between the extraction electrode to which the wire is connected and the piezoelectric vibrating piece.