Dielectric filter

Details Dielectric filter Dielectric filter

1990-09-28

1992-05-12

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

333202, 361321, 29 2542, H01P 1205, H01G 114, H01G 442, H01G 700

Patent

active

051133105

ABSTRACT:
A dielectric filter comprises a first resonator and second resonator. Each of the resonators includes a dielectric block having a through-hole, an inner conductive layer placed on the inner surface of the through-hole, and an outer conductive layer placed on the outer surface of the dielectric blocks. The first and second resonators have a coupled hole extending transversely to the through-holes in portions of the resonator couples adjacent to each other. The dielectric filter may further include a frame made of a pair of metal plates covering said coupling hole. The pair of metal plates have legs for earthing and are affixed to the filter body, whereupon the metal plates are located, apart from each other. A method for producing a dielectric filter comprises the steps of making a filter body by connecting a first resonator and second resonator; providing a pair of lead frames incorporating a plurality of metal plates; disposing said filter body between said metal plates of the pair of lead frames; and fixing the metal plates to opposite sides of the filter body.

REFERENCES:
patent: 4144509 (1979-03-01), Boutros
patent: 4179673 (1979-12-01), Nishikawa et al.
patent: 4839773 (1989-06-01), Ishikawa et al.

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