Chip component providing rf suppression

Details Chip component providing rf suppression Chip component providing rf suppression

1988-04-11

1989-01-03

Edlow, Martin H.

357 67, 357 80, H01L 2354, H01L 2312, H01L 2314

Patent

active

047960795

ABSTRACT:
A ferrite shield component for suppressing high frequency signals in electrical circuits, such as tuners for television receivers, is formed by surrounding an electrical conductor with ferrite material. The shield component is formed in the shape of a leadless chip to permit placement on a circuit board by chip insertion machines. The conductor pattern and ferrite material may be selected to determine particular impedance-frequency characteristics.

REFERENCES:
patent: 3456215 (1969-07-01), Denes
patent: 3490053 (1970-01-01), Nagai et al.
patent: 3550099 (1970-12-01), Stein
patent: 3651381 (1972-03-01), Nojiri
patent: 3781724 (1973-12-01), Moore et al.
patent: 3824518 (1974-07-01), Slenker
patent: 4139881 (1979-02-01), Shimizu et al.
patent: 4398342 (1983-08-01), Pitt et al.
patent: 4490706 (1984-12-01), Satou et al.
"Information Sheets for Shield Beads"-Fair-Rite Products, Walkhill, N.Y., Jun., 1977.

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