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Broadband wave absorption apparatus

  • US 5,296,859 A
  • Filed: 05/28/1992
  • Issued: 03/22/1994
  • Est. Priority Date: 05/31/1991
  • Status: Expired due to Fees
First Claim
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1. A broadband electromagnetic wave absorbing apparatus comprising:

  • successive layers of a first dielectric body, a sintered ferrite magnetic body, a second dielectric body having a low permittivity, and a magnetic body having a low magnetic permeability overlapped on a flat reflector plate, said first dielectric being disposed between said reflector plate and said sintered ferrite magnetic body, and where the relationship between the magnetic permeability μ

    1 of said sintered ferrite magnetic body and the magnetic permeability of μ

    2 of said magnetic body having a low magnetic permeability is μ

    1≧

    25·

    μ

    2.

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