Pat.#4862174: Electromagnetic wave absorber
INVENTORS: Natio; Yoshiyuki, Yamato, Japan
  Takahashi; Michiharu, Yachiyo, Japan
ASSIGNEES: none
ISSUED: Aug. 29, 1989
FILED: July 7 , 1987
ABSTRACT: An electromagnetic wave absorber containing a mixture of a magnetic material and a carbon material, both in powder form, in a binding medium so as to suspend both kinds of powder particles in space wherein the weight proportions of said binding medium taken as unity, said magnetic material in powder form, and said carbon material in powder form 1:F:C fall within the following limitation ranges: |F-C|<=0.3. 0.45<=F<=1.05. 0.45<=C<=1.05.