Piezoelectric device and piezoelectric resonator using same

Application Number: 00107056
Application Date: 2000.04.24
Publication Number: 1271998
Publication Date: 2000.11.01
Priority Information: 1999/4/23 JP 117224/99; 1999/4/23 JP 117226/99; 1999/10/5 JP 284278/99
International: H03H9/10
Applicant(s) Name: Murata Manufacturing Co., Ltd.
Inventor(s) Name: Yamamoto Takashi;Yokoi Yusukoichi
Patent Agency Code: 31100
Patent Agent: shen zhaokun
Abstract The invention provides a piezoelectric oscillator. A load capacitive element is mounted on the upper face of a substrate, a frame is placed around the load capacitive element on the substrate, a metallic spring terminal is placed on the frame to contain the load capacitive element to a space between the substrate and the spring terminal. A piezoelectric resonator is placed on the spring terminal. A projection is provided to an inner face of a metal-made cap overlapped on the substrate to cover the frame, and the piezoelectric resonator is supported by the spring terminal and the projection. The spring terminal is in electrical contact with an electrode pattern of the substrate, the cap is adhered to an electrode pattern of the substrate by a conductive adhesive, resulting that both side electrodes of the piezoelectric resonator is in continuity with external electrodes provided to the lower face of the substrate.