Patent ID: 7876168

Claim:
A piezoelectric oscillator comprising: a piezoelectric resonator including a container, the container containing a piezoelectric resonator element; and a semiconductor device including an oscillation circuit for vibrating the piezoelectric resonator, wherein: the semiconductor device is bonded directly to a surface of the container; the container has an external coupling terminal and a cut-off part, the external coupling terminal being coupled to the semiconductor device, the cut-off part being disposed on a side surface of the container and has a slope that is gradually inclined; the external coupling terminal is disposed in an area of the container, the area being opposed to the semiconductor device, and the external coupling terminal extends as a conductive pattern along a side surface of the entire cut-off part; the semiconductor device has a coupling terminal on a surface thereof, the surface being opposed to the container; and the coupling terminal of the semiconductor device and the external coupling terminal of the container are coupled with a conductive material, the conductive material extends along the side surface of the cut-off part.