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Title:
ELECTROMAGNETIC SHIELDING PANEL
Document Type and Number:
Japanese Patent JP2009027126
Kind Code:
A
Abstract:

To provide a transparent electromagnetic shielding panel for shielding any unnecessary electromagnetic wave from the outside of a building bringing about any adverse effect due to malfunction or electromagnetic interference, and for absorbing electromagnetic waves to be used for an indoor radio LAN, and for maintaining an indoor comfortable radio communication environment.

This electromagnetic shield panel is configured of multiple layer glasses formed by separately arranging two transparent plate glasses through a spacer arranged in a peripheral edge, and forming an air layer closed between the two plate glasses, wherein the air layer is 5 to 60 mm in thickness, and a transparent conductive film whose area resistance is 1 to 20 /square is formed on the air layer side face of one plate glass, and a transparent resistance film whose area resistance is 20 to 700 /square is formed on the air layer side face of the other plate glass, and electromagnetic absorption of 1.5 to 10 GHz to 10 dB or more.


Inventors:
KATANO MASAAKI
SHIRAI YOSHINORI
Application Number:
JP2007334915A
Publication Date:
February 05, 2009
Filing Date:
December 26, 2007
Export Citation:
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Assignee:
CENTRAL GLASS CO LTD
International Classes:
H05K9/00; E04B1/92; H01Q17/00
Domestic Patent References:
JP2001044750A2001-02-16
JPH11150393A1999-06-02
Attorney, Agent or Firm:
Yoshiaki Hanada