Dielectric resonator apparatus and high-frequency module

Details Dielectric resonator apparatus and high-frequency module Dielectric resonator apparatus and high-frequency module

1997-11-06

2000-01-18

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333134, 3332191, 331 96, 331107DP, H01P 710

Patent

active

06016090&

ABSTRACT:
A dielectric substrate is provided on both its main surfaces with conductors each having two circular openings such that the openings on both main surfaces oppose each other. On one conductor of the dielectric substrate, an insulating layer is formed. On the insulating layer, an input electrode and an output electrode are formed. Electrically conductive plates are disposed and secured such that they sandwich the dielectric substrate with gaps therebetween.

REFERENCES:
patent: 3688225 (1972-08-01), Cohn
patent: 4575699 (1986-03-01), Lockwood
patent: 5786740 (1998-07-01), Ishikawa et al.
Ishikawa Y et al.: "Planar Type Dielectric Resonator Filter at Millimeter-Wave Frequency" IEICE Transactions on Electronics, vol. E79-C, No. 5, May 1, 1996, pp. 679-684, XP000621611, *p. 682, left-hand column, line 14--right-hand column, line 10: figures 9,10.
Patent Abstracts of Japan, vol. 96, No. 7, Jul. 31, 1996 & JP 08 078903 A (UBE IND LTD), Mar. 22, 1996 *abstract*.
European Search Report dated February 17, 1998.

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