Filter for removing noise
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United States of America Patent
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Nov 10, 2015
Grant Date -
Apr 17, 2014
app pub date -
Aug 7, 2013
filing date -
Aug 8, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention discloses a filter for removing noise, which includes: a lower magnetic body; primary and secondary patterns spirally provided on the lower magnetic body in parallel to each other; an insulating layer for covering the primary and secondary patterns; and an upper magnetic body provided on the insulating layer, wherein the primary and secondary patterns are formed to have a ratio of vertical thickness (T) to horizontal width (W) of 0.27≦T/W≦2.4. According to the present invention, it is possible to improve performance and capacity by implementing high common-mode impedance in the same frequency and reduce manufacturing costs by simplifying structures and processes.
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