Title:
ELECTROMAGNETIC WAVE SHIELDING MATERIAL, ELECTROMAGNETIC WAVE SHIELDING CLOTH, AND ELECTROMAGNETIC WAVE SHIELDING CASE
Document Type and Number:
WIPO Patent Application WO/2007/105639
Kind Code:
A1
Abstract:
This invention provides an electromagnetic wave shielding sheet (2), which can
shield both electric waves and magnetic fields in electromagnetic waves, an
electromagnetic wave shielding outer wear (1), and an electromagnetic wave shielding
card case (20). The electromagnetic wave shielding sheet (2) comprises a base
material layer (11) and a ferrite layer (12) formed of a ferrite material, a carbon
layer (13) formed of a carbon material, an aluminum layer (14) formed of an aluminum
material, and a carbon layer (15) formed of a carbon material superimposed in
that order on the base material layer (11). In the electromagnetic wave shielding sheet
(2), the carbon layer (15) is used as the protecting object side to constitute the
electromagnetic wave shielding outer wear (1) and the electromagnetic wave shielding
card case (20).
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Inventors:
ITO TOMOAKI (JP)
Application Number:
PCT/JP2007/054686
Publication Date:
September 20, 2007
Filing Date:
March 09, 2007
Export Citation:
Assignee:
ORIENT INSTR COMP CO LTD (JP)
ITO TOMOAKI (JP)
ITO TOMOAKI (JP)
International Classes:
H05K9/00; A41D13/00; B32B7/025; B32B15/04
Foreign References:
| JP2004039703A | 2004-02-05 | |||
| JPH1154976A | 1999-02-26 | |||
| JP2006055289A | 2006-03-02 | |||
| JP3061536U | 1999-09-24 |
Attorney, Agent or Firm:
FUJITA, Takashi (10-17 Higashitenma 2-chom, Kita-ku Osaka-shi Osaka 44, JP)
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