Title:
WIDE BAND WAVE ABSORBER
Document Type and Number:
Japanese Patent JPH04269898
Kind Code:
A
Abstract:
PURPOSE: To obtain wide band radio wave absorbing characteristics.
CONSTITUTION: A metal plate 1, a first radio wave absorber 3 provided in close contact with the surface of the plate at a radio wave incident side and having predetermined permittivity characteristic and predetermined thickness, and a second radio wave absorber 4 provided in close contact with the first absorber and having predetermined permittivity characteristic different from the previous characteristic and predetermined thickness, are provided. Thus, wide frequency band absorbing characteristics are obtained.
Inventors:
KAMOUCHI YUTAKA
Application Number:
JP3086891A
Publication Date:
September 25, 1992
Filing Date:
February 26, 1991
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
H01Q17/00; H05K9/00; (IPC1-7): H01Q17/00; H05K9/00
Attorney, Agent or Firm:
Ishikawa Arata