EMI filters
First Claim
Patent Images
1. An electromagnetic interference filter, comprising:
- a core having;
at least one electrically conductive signal or power-insulated lead;
at least one first layer made of glass-coated metal microwire surrounding said lead and serving as a magnetic absorbent material; and
a tubular conductive material surrounding said first layer; and
a substrate on which said core is mounted, said substrate being configured as a planar body having a top, a bottom and side surfaces, portions of said top and bottom surfaces being covered with an electrically conductive material serving as signal and ground terminals and making electrical contact with the tubular conductive material.
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Abstract
An electromagnetic interference filter, including a core, having: at least one electrically conductive signal or power-insulated lead, at least one first layer surrounding the lead, made of glass-coated microwire, serving as a magnetic absorbent material, a tubular conductive material surrounding the first layer, and a substrate on which the core is mounted, the substrate is configured as a planar body having a top, a bottom and side surfaces, portions of the top and bottom surfaces are covered with electrically conductive material serving as signal and ground terminals and making electrical contact with the tubular conductive material of the core.
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Citations
29 Claims
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1. An electromagnetic interference filter, comprising:
- a core having;
at least one electrically conductive signal or power-insulated lead;
at least one first layer made of glass-coated metal microwire surrounding said lead and serving as a magnetic absorbent material; and
a tubular conductive material surrounding said first layer; and
a substrate on which said core is mounted, said substrate being configured as a planar body having a top, a bottom and side surfaces, portions of said top and bottom surfaces being covered with an electrically conductive material serving as signal and ground terminals and making electrical contact with the tubular conductive material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- a core having;
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13. An electromagnetic interference filter, comprising:
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first conducting means for conducting a first signal;
absorbing means for absorbing a magnetic field, said absorbing means including at least one first layer-made of glass-coated metal microwire surrounding said conducting means;
second conducting means for conducting a second signal and surrounding said first layer; and
mounting means for mounting said first conducting means, said absorbing means, and said second conducting means, said mounting means configured as a planar body having a top, a bottom and side surfaces, portions of said top and bottom surfaces being covered with an electrically conductive material serving as signal and ground terminals and making electrical contact with the second conducting means. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. An electromagnetic interference filter, comprising:
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a core, having;
at least one electrically conductive signal or power-insulated lead;
at least one first layer surrounding said lead, made of glass-coated microwires, serving as a magnetic absorbent material;
a tubular conductive material surrounding said first layer, and a substrate on which said core is mounted, said substrate being configured as a planar body having a top, a bottom and side surfaces, portions of said top and bottom surfaces being covered with electrically conductive material serving as signal and ground terminals and making electrical contact with the tubular conductive material of said core, wherein said first layer comprises glass-coated amorphous metal microwires, said microwires having a core made of soft magnetic alloy. - View Dependent Claims (27, 28, 29)
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Specification