Ceramic filter

Details Ceramic filter Ceramic filter

1988-04-28

1989-02-21

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333203, 333206, 333235, H01P 1205, H01P 1208

Patent

active

048068896

ABSTRACT:
A dielectric ceramic body for use in a band-pass filter. The ceramic body has a plurality of through holes formed to extend transversely from one side surface to another side surface which is opposite to the one side surface and arranged in series along a longitudinal direction of the body. Slits are formed on one of the aforementioned two side surfaces between respective two holes. The slits have depths which increase toward end portions of the ceramic body.

REFERENCES:
patent: 3505618 (1970-04-01), McKee
patent: 4255729 (1981-03-01), Fukasawa et al.
patent: 4431977 (1984-02-01), Sokola et al.
patent: 4464640 (1984-08-01), Nishikawa et al.
patent: 4607242 (1986-08-01), Cozzie
patent: 4692726 (1988-09-01), Green et al.
patent: 4733208 (1988-03-01), Ishikawa et al.
patent: 4745379 (1988-05-01), West et al.

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