Patent ID: 7057331
Filing Date: 2006-06-06
Classification: H01L,H03B

Abstract:
1. A piezoelectric oscillator, comprising: a resonator package accommodating a piezoelectric resonating element in the piezoelectric oscillator; and a semiconductor device fixed onto a rear surface of the resonator package and having a built-in oscillating circuit, an inner lead portion of a lead frame fixed onto the rear surface of the resonator package and the resonator package and the semiconductor device being resin molded, except an outer lead portion of the lead frame, the inner lead portion and the semiconductor device connected by wire bonding, on the rear surface of the resonator package, a terminal connected to the piezoelectric resonating element accommodated in the resonator package being provided, the inner lead portion connected to the semiconductor device being fixed in a state of being insulated from the terminal and the terminal connected to the piezoelectric resonating element and an oscillating circuit terminal of the semiconductor device connected by wire-bonding, a terminal of the semiconductor element connected to the inner lead portion and a terminal of the semiconductor element connected to a terminal connected to the piezoelectric oscillation piece are arranged on a surface opposite to a surface joining the resonator package of the semiconductor device.