Patent ID: 8278801
Filing Date: 2012-10-02
Classification: H01L,H03H

Abstract:
1. A piezoelectric resonator device, in which a package is constituted by a base and a lid, and on the base are formed a plurality of electrode pads for supporting a piezoelectric resonator plate on which an electrode terminal is formed, and for putting the electrode terminal of the piezoelectric resonator plate in a state of conduction with an external electrode, wherein an inner peripheral face of the package of the base is made up of a plurality of inner horizontal and vertical faces, the base is composed of a bottom portion, a surface thereof being the horizontal face, and a laminated portion being laminated on the bottom portion, the plurality of electrode pads are formed adjacently on the surface of the bottom portion, the horizontal face being the surface of the bottom portion and the plurality of vertical faces intersect at a single intersection line at which substantially three faces intersect with the bottom portion, in the electrode pads that are formed adjacently on the surface of the bottom portion, a distance between the adjacent electrode pads along this intersection line on the surface of the bottom portion is longer than the shortest distance between the adjacent electrode pads, and the electrode pads are composed of a plurality of layers, and the thickness of an uppermost layer is not more than 1.0 μm.