Packaged piezoelectric oscillator incorporating capacitors and m

Details Packaged piezoelectric oscillator incorporating capacitors and m Packaged piezoelectric oscillator incorporating capacitors and m

1994-08-22

1996-03-26

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310320, 310348, H01L 4108

Patent

active

055023444

ABSTRACT:
A packaged piezoelectric oscillator is provided which comprises an insulating package body, a piezoelectric element, and a lid member. The package body has an upwardly open housing groove which has a bottom surface formed with oscillator electrodes at both ends of the housing groove. The package body is externally formed with first to third electrodes spaced from each other. The first and second electrodes extend into the housing groove for electrical connection to the respective oscillator electrodes, whereas the third electrode is located between the first and second electrodes. The piezoelectric element is fixedly received in the housing groove of the insulating package body and held in electrical conduction with the respective oscillator electrodes. The lid member is attached to the package body to close the housing groove. The lid member has a lower surface formed with first to third capacitor electrodes in electrical conduction with the first to third lead electrodes, respectively.

REFERENCES:
patent: 3796968 (1974-03-01), Luscher
patent: 3969640 (1976-07-01), Staudte
patent: 4283650 (1981-08-01), Koyama et al.
patent: 4293986 (1981-10-01), Kobayashi
patent: 4532451 (1985-07-01), Ionue
patent: 4542315 (1985-09-01), Yamamoto et al.
patent: 4992693 (1991-02-01), Kishi et al.
patent: 5185550 (1993-02-01), Morita et al.

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