Patent ID: 8754718
Filing Date: 2014-06-17
Classification: H01L,H02N,H03B,H03L

Abstract:
1. A piezoelectric device comprising: a piezoelectric vibration element; a temperature sensor that detects temperature; an insulating substrate that has a first surface and a second surface opposite to the first surface, the first surface having an element mounting pad on which the piezoelectric vibration element is mounted, the second surface having a recess that has a temperature sensor mounting pad on which the temperature sensor is mounted; a metal sealing body on the first surface of the insulating substrate, the metal sealing body surrounding the piezoelectric vibration element in a plan view; a metal lid member that seals the piezoelectric vibration element between the first surface of the insulating substrate and the metal lid member, the metal lid member being connected to the metal sealing body; a heat transfer metal member including a wire in the insulating substrate, wherein the heat transfer metal member directly extends from the temperature sensor mounting pad to the metal sealing body without any other intervening pad or terminal so as to thermally connect the temperature sensor and the metal lid member.