Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1979-09-20
1981-08-04
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Electromechanical filter
310340, 310348, 333200, H03H 910, H03H 9125
Patent
active
042824982
ABSTRACT:
A circuit package wherein a framed resonator leaf is mounted in a recessed portion of a plastic body. The contours of the recess orient and support the resonator frame, and an electrically conductive adhesive both bonds the resonator frame to the body and electrically connects the resonator to lead electrodes embedded in the body. A circuit chip element electrically connected to the lead electrodes is also embedded in the body to provide an integral circuit package. A cover over the recess, bonded to the body, protects the resonator element. Welded connections and a resonator mounting plate are not used.
REFERENCES:
patent: 3969640 (1976-07-01), Staudte
patent: 3986335 (1976-10-01), Harper
patent: 4216402 (1980-08-01), Engdahl
patent: 4218701 (1980-08-01), Shirasaki
Matsushima Kogyo Kabushiki Kaisha
Nussbaum Marvin L.
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