Common mode filter and method of manufacturing the same

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United States of America Patent

PATENT NO 9911531
SERIAL NO

14931828

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A common mode filter includes a substrate; an insulating layer disposed on the substrate and including coil patterns, the insulating layer having a cavity disposed in a central portion therein; and a magnetic particle-resin composite layer including a core part filling the cavity and a cover part covering the insulating layer. The core part contains fine magnetic particles having an average particle diameter of 30 μm or less, and the cover part contains the fine magnetic particles having the average particle diameter of 30 μm or less and coarse magnetic particles having an average particle diameter greater than that of the fine magnetic particles.

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Patent Owner(s)

  • SAMSUNG ELECTRO-MECHANICS CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Kwang Mo Suwon-Si, KR 9 43
Lee, Sang Moon Suwon-Si, KR 123 384
Park, Seung Wook Suwon-Si, KR 548 7280

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