Title:
ELECTROMAGNETIC WAVE ABSORBING SHEET
Document Type and Number:
Japanese Patent JP2003060383
Kind Code:
A
Abstract:
To provide an electromagnetic wave absorbing sheet which displays superior absorption characteristics over a wide high frequency band and is easily thinned.
The absorptive sheet 1, 1a comprises a sheet body 2 made of polypropylene (insulation material), and a powder 6, 8 of soft-magnetic metal or alloy of 3 μm or less embedded in the body 2 at a proportion of 25-40 vol.%.
Inventors:
TSUTSUI KAZUHISA
Application Number:
JP2001247136A
Publication Date:
February 28, 2003
Filing Date:
August 16, 2001
Export Citation:
Assignee:
DAIDO STEEL CO LTD
International Classes:
H01F1/00; H01F1/20; H01Q17/00; H05K9/00; (IPC1-7): H05K9/00; H01F1/00; H01F1/20; H01Q17/00
Attorney, Agent or Firm:
Suzuki Manabu