Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1992-02-14
1993-01-19
Stephan, Steven L.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310343, H01L 4108
Patent
active
051809427
ABSTRACT:
Heat-generating ovenized crystal oscillators can be directly mounted to a circuit board. Thermal isolation of an OCO from heat-sinking circuit board material and other temperature-sensitive components on a circuit board is accomplished by means of perforations (12) in the circuit board that surround the mounting area of the OCO on the board.
REFERENCES:
patent: 4157466 (1979-06-01), Herrin
patent: 4719384 (1988-01-01), Hauden et al.
patent: 4985687 (1991-01-01), Long
patent: 5039878 (1991-08-01), Armstrong et al.
Hernandez-Solis Maria
Marvin Dennis F.
Krause Joseph P.
Motorola Inc.
Nguyen Matthew
Stephan Steven L.
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