Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1992-05-13
1994-03-01
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333235, H01P 1203
Patent
active
052911624
ABSTRACT:
A method of adjusting a frequency response in a stripline filter device having a pair of stacked dielectric substrates with a plurality of stripline resonator conductors being sandwiched therebetween, wherein the frequency adjusting of the filter is performed by partially exposing the open circuit end of each of the resonator electrodes or a filamentary conductor for connecting the open end to the ground conducting layer on the outer surface of one of the dielectric substrates and then partially removing the partially exposed open circuit end of each resonator electrode or the partially exposed filamentary conductor connected to the open circuit end.
REFERENCES:
patent: 4157517 (1979-06-01), Kneisel et al.
patent: 4583064 (1986-04-01), Makimoto et al.
patent: 5066934 (1991-11-01), Ito et al.
patent: 5084684 (1992-01-01), Shimizu et al.
patent: 5097237 (1992-03-01), Komazaki et al.
patent: 5105173 (1992-04-01), Itou
Ito Kenji
Oguchi Hotaka
Shimizu Hiroyuki
Ham Seungsook
NGK Spark Plug Co. Ltd.
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