Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1986-01-31
1987-02-10
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310344, 310351, H01L 4108
Patent
active
046425101
ABSTRACT:
A quartz crystal oscillator device including a quartz crystal resonator supported on a base via a support member and hermetically sealed by a cap wherein the support member comprising a pair of upper and lower disc-shaped connection sections, a through section which is provided between the two connection sections, and bent legs. This quartz crystal oscillator device has high resistance against impact and thermal shock and its resonance frequency is not affected by sealing stress. Furthermore, it can be assembled efficiently and made small.
REFERENCES:
patent: 2247627 (1941-07-01), Atwood et al.
patent: 2771561 (1956-11-01), Fuller
patent: 3518470 (1970-06-01), Lungo
patent: 3612922 (1981-10-01), Furnival
Budd Mark O.
Kyocera Corporation
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