Title:
WIDEBAND RADIO WAVE ABSORBING DEVICE
Document Type and Number:
Japanese Patent JPH04354103
Kind Code:
A
Abstract:
PURPOSE: To obtain a wideband radio wave absorbing device which can be constituted economically, and a device which can be used for improving an existing radio wave absorbing device.
CONSTITUTION: The title device is constituted by stacking, in order, sintered ferrite magnetic substance F, dielectric D of low permittivity, and magnetic substance RF of low permeability, on a plane type reflector. The relation between the permeability μ1 of the sintered ferrite magnetic substance and the permeability μ2 of the above magnetic substance of low permeability is μ1≥25.μ2.
Inventors:
NAITO YOSHIYUKI
MIZUMOTO TETSUYA
TAKAHASHI MICHIHARU
MIZUMOTO TETSUYA
TAKAHASHI MICHIHARU
Application Number:
JP12950991A
Publication Date:
December 08, 1992
Filing Date:
May 31, 1991
Export Citation:
Assignee:
NAITO YOSHUKI
TAKAHASHI MICHIHARU
TAKAHASHI MICHIHARU
International Classes:
H01F1/00; H01F1/34; H01Q17/00; H05K9/00; (IPC1-7): H01F1/00; H01F1/34
Attorney, Agent or Firm:
Kazuo Sato (3 others)