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Title:
ELECTROMAGNETIC WAVE ABSORBER
Document Type and Number:
Japanese Patent JP3849786
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an electromagnetic wave absorber having excellent electromagnetic wave absorption characteristics.
SOLUTION: The electromagnetic wave absorber comprises boron carbide powder whose conductivity is not less than 5×10-6(S/cm). The electromagnetic wave absorber comprises composite material containing the above boron carbide powder of 5-70 vol.%. The electromagnetic wave absorber comprises the above boron carbide powder of 5-70 vol.% and thermoplastic resin corresponding to the remaining portion of the above volume.


Inventors:
Satoru Kobayashi
Masami Sugasawa
Yoshinobu Nagano
Ibusuki
Kawasaki Taku
Application Number:
JP2003319104A
Publication Date:
November 22, 2006
Filing Date:
September 10, 2003
Export Citation:
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Assignee:
National Institute of Advanced Industrial Science and Technology
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
International Classes:
H05K9/00; H01Q17/00; (IPC1-7): H05K9/00
Domestic Patent References:
JP2004339018A
JP2004143347A
JP1157598A