Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1984-11-26
1986-04-29
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
29 2542, 310311, 331 73, H01G 114, H01G 700, H01L 4104, H03B 534
Patent
active
045861102
ABSTRACT:
A composite part of a piezo-electric resonator and a condenser integrally joined together and a method of producing the composite part. A composite element is formed of a piezo-electric resonator and a condenser each provided with end electrodes at end portions thereof by fixedly integrating the piezo-electric resonator and the condenser under the condition that a gap serving as a vibration space is formed between the face of the piezo-electric resonator and the face of the condenser opposing the face of the piezo-electric resonator. This composite element is cut out of a pile of a laterally long piezo-electric resonator and a laterally long condenser by cutting it in the direction of width. This composite element is housed in a case and both end electrodes and a common electrode thereof are connected with lead terminals, the opening of the case being sealed.
REFERENCES:
patent: 2887649 (1959-05-01), Peck
patent: 3236936 (1966-02-01), Robinson
patent: 3314022 (1967-04-01), Meitzler
patent: 3401275 (1968-09-01), Curran et al.
patent: 3636386 (1972-01-01), Kawada
Griffin Donald A.
Murata Manufacturing Co. Ltd.
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