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Development of Gigahertz Electromagnetic
Wave Absorber
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| Kaduichi KITAGAWA, Takeshi TOYODA and Yoshiyuki YOSHIMURA |
The practical application of carbon fiber textile for an electromagnetic
wave absorber was investigated in the gigahertz frequency range. A three-layer
absorber was made of union cloth containing carbon fiber, rubber sheet,
and aluminum foil. The electromagnetic wave absorption against oblique incidence
was measured in the frequency range from 1GHz to 13GHz. The absorption property
was improved by adjusting the carbon textile conductivity and the width
of the line pattern. The composite material showed an absorption value of
20dB or higher at 5.8GHz.
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Keywords ■■■ |
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carbon fiber textile, union cloth,
electromagnetic wave absorber, oblique incidence |
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