Piezoelectric oscillator and transmitter
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United States of America Patent
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Oct 14, 2014
Grant Date -
Jun 27, 2013
app pub date -
Jan 31, 2013
filing date -
Jul 18, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A piezoelectric oscillator includes: a piezoelectric resonator element having a piezoelectric substrate and an excitation electrode formed on a surface of the piezoelectric substrate; a semiconductor circuit element provided with an oscillation circuit for oscillating the piezoelectric resonator element and having a first insulating film formed on a principal surface; a package for airtightly housing the semiconductor circuit element and the piezoelectric resonator element; and a protruding section having at least of a thin film circuit component formed on the first insulating film and connected to the oscillation circuit; and a second insulating film formed on the first insulating film and covering the thin film circuit component. In the oscillator, the piezoelectric resonator element is fixed to an upper surface of the protruding section.
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