Low profile integrated oscillator having a stepped cavity

Details Low profile integrated oscillator having a stepped cavity Low profile integrated oscillator having a stepped cavity

1998-10-27

2000-10-17

Ramirez, Nestor

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310341, H01L 4104

Patent

active

061336742

ABSTRACT:
A low profile integrated oscillator operable to provide an oscillator signal includes a thermally conductive substrate having a cavity and a ledge. A crystal or other resonator is located in the cavity and mounted to the ledge. The resonator stabilizes the oscillator signal. An electrical circuit is mounted to the substrate and electrically connects to the resonator to condition the oscillator signal. A cover seals the resonator in the cavity. A via electrically connects the resonator to the electrical circuit. A heater is mounted to the substrate, outside the cavity, for elevating the temperature inside the cavity and a temperature sensor is mounted to the substrate to monitor the oscillator temperature. The substrate is surrounded by an insulation and mounted within a housing. The housing has a connector for connecting to an external electrical circuit.

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