Ceramic resonator, for microwave ceramic filters, having at leas

Details Ceramic resonator, for microwave ceramic filters, having at leas Ceramic resonator, for microwave ceramic filters, having at leas

1996-04-25

1998-03-24

Lee, Benny

Wave transmission lines and networks

Resonators

Coaxial or shielded

333202, 333206, H01P 704

Patent

active

057317534

ABSTRACT:
A ceramic resonator for microwave ceramic filters includes a ceramic body having a predetermined form with surfaces and edges. The ceramic body has an internal conductor bore formed therein and is metallized on all of the surfaces except for at least one at least partially unmetallized surface. One of the surfaces has an aperture window formed therein for coupling to other ceramic resonators to form a microwave ceramic filter. At least one of the edges has a chamfer formed thereon.

REFERENCES:
patent: 4733208 (1988-03-01), Ishikawa et al.
patent: 5045824 (1991-09-01), Metroka
patent: 5144269 (1992-09-01), Itoh
patent: 5208566 (1993-05-01), Kenoun et al.
patent: 5327109 (1994-07-01), Hoang et al.
JP-A-60-133776 (Matsuo) Jun. 19, 1985. JP-A-2-260985 (Matsushita) Sep. 1990.
Hano et al., IEEE Transactions on Microwave Theory and Techniques, vol. MTT-34, No. 9, Sep. 1986 pp. 972-976.

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