Heating system for a double-ovenized oscillator on a single printed circuit board
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United States of America Patent
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Sep 15, 2009
Grant Date -
Apr 23, 2009
app pub date -
Oct 23, 2007
filing date -
Oct 23, 2007
priority date (Note) -
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Abstract
A system is provided for the regulation of temperature of a crystal oscillator, that system having a thermally conductive support disposed upon a substrate and upon which is disposed the crystal oscillator, an array of thermal vias disposed around the crystal oscillator within the substrate, at least one primary heater communicating with the support, a thermal enclosure communicating with the array of thermal vias, and a at least one secondary heater communicating with the enclosure.
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