Resonator and filter using the same
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United States of America Patent
Stats
-
Aug 21, 2012
Grant Date -
Aug 12, 2010
app pub date -
Aug 20, 2008
filing date -
Aug 24, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The resonator includes first high-impedance wiring plate-like, arranged parallel to top-surface ground electrode; second high-impedance wiring plate-like, arranged so as to face first high-impedance wiring; first columnar conductor electrically connecting first high-impedance wiring to second high-impedance wiring; first low-impedance wiring arranged between first high-impedance wiring and second high-impedance wiring; second columnar conductor electrically connecting first high-impedance wiring to first low-impedance wiring; second low-impedance wiring arranged between first low-impedance wiring and second high-impedance wiring; and third columnar conductor electrically connecting second high-impedance wiring to second low-impedance wiring, to reduce the area size the resonator.
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