High-stability piezoelectric oscillator
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United States of America Patent
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Feb 22, 2005
Grant Date -
Oct 23, 2003
app pub date -
Apr 14, 2003
filing date -
Apr 17, 2002
priority date (Note) -
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Abstract
[Object of the invention] To provide designing means that prevents deterioration through thermal aging of an electronic part used in high-stability piezoelectric oscillators and the like when the high end of the usage temperature is 85 deg C. [Means for solving the problem] In a high-stability piezoelectric oscillator equipped with: a first isothermic oven housing a piezoelectric vibrator and an electronic part; a second isothermic oven; a case; and the like, a high-stability piezoelectric oscillator wherein a temperature of the first isothermic oven is set to be lower than a temperature of a second isothermic oven using a Peltier element or the like.
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