US Patent No. 10,529,910

PIEZOELECTRIC DEVICE


Patent No. 10,529,910
Issue Date January 07, 2020
Title Piezoelectric Device
Inventorship Yoshiharu Sato, Saitama (JP)
Hirokazu Iwata, Saitama (JP)
Assignee NIHON DEMPA KOGYO CO., LTD., Tokyo (JP)

Claim of US Patent No. 10,529,910

1. A piezoelectric device, comprising:a piezoelectric vibrating piece;
an excitation electrode, disposed on a front surface and a back surface of the piezoelectric vibrating piece;
an extraction electrode, extracted from the excitation electrode;
a container that houses the piezoelectric vibrating piece;
a pad, disposed in the container, and the pad being connected to the piezoelectric vibrating piece;
a conductive member that connects the pad to the extraction electrode; and
a heat conductive metal film, disposed at least on a surface of a pad side of the piezoelectric vibrating piece, and the heat conductive metal film being extracted from the extraction electrode without contacting the excitation electrode.