Microresonator packaging and tuning

Details Microresonator packaging and tuning Microresonator packaging and tuning

1973-08-01

1976-07-13

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

310 82, 310 81, 317249R, H01R 4104

Patent

active

039696405

ABSTRACT:
A piezoelectric tuning fork microresonator advantageously is mounted in a package having a transparent region through which the microresonator can be tuned using a laser beam selectively to remove portions of weights provided on the tuning fork tine ends. The laser, located external to the package, may be controlled automatically in response to the output of an oscillator circuit using the microresonator as a frequency standard. The package also may house electronic microcircuitry and may include a capacitor using the package wall as a dielectric. When used with the microresonator in an oscillator circuit, the capacitor enables the frequency to be adjusted slightly by shorting together capacitor plate sections on the outside of the package. A batch fabrication technique is disclosed for automatically assembling many such packages on a single scored, optionally transparent substrate.

REFERENCES:
patent: 2954490 (1960-09-01), Warner et al.
patent: 3008060 (1961-11-01), Mann et al.
patent: 3162780 (1964-12-01), Dalen et al.
patent: 3697766 (1972-10-01), Ganter
patent: 3697789 (1972-10-01), Kato
patent: 3737805 (1973-06-01), Shimodira et al.
patent: 3754152 (1973-08-01), Koehler et al.

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