Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1997-09-08
1999-03-23
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
333185, 315 3951, 361302, H01G 442, H01J 2315
Patent
active
058865926
ABSTRACT:
A feedthrough ceramic capacitor having a grounding fitting provided in a part of a housing of the capacitor is mounted to a filter box by being forced into the latter through an insertion hole of the filter box. Since a corrugated edge is provided around the entire circumference of the insertion hole provided in the filter box, the feedthrough ceramic capacitor can be forced into the filter box easily. Further, because no gap is generated between the filter box and the grounding fitting, high-frequency noise in the inside of the filter box never leaks to the outside.
REFERENCES:
patent: 4752720 (1988-06-01), Oguro et al.
patent: 4900985 (1990-02-01), Tashiro et al.
patent: 5313139 (1994-05-01), Yoon
patent: 5544002 (1996-08-01), Iwaya et al.
Fujiwara Isao
Sasaki Setsuo
Ham Seungsook
TDK Corporation
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