Electromagnetic interference suppressor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9380736
APP PUB NO 20140141220A1
SERIAL NO

14126912

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to the present invention, there are provided an electromagnetic interference suppression material capable of exhibiting a good low-pass filter characteristic in an extensive frequency band ranging from a low frequency to a high frequency, and an electromagnetic interference suppression sheet using the electromagnetic interference suppression material. When laminating a conductive layer having a surface electrical resistance of 100 to 5000Ω/□ in which 5 to 25% by volume of a conductive carbon is mixed, and a magnetic layer having a magnetic permeability with an actual number portion of 3 to 45 in which a magnetic material is mixed, to each other, it is possible to obtain an electromagnetic interference suppression sheet suitable for high-density packaging of electronic equipments which is excellent in low-pass filter characteristic in a near electromagnetic field.

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Patent Owner(s)

Patent OwnerAddress
TODA KOGYO CORPORATION1-4 MEIJISHINKAI OTAKE-SHI HIROSHIMA-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamamoto, Kazumi Otake, JP 57 513

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