Title:
FREQUENCY SELECTIVE ELECTROMAGNETIC WAVE SHIELDING MATERIAL
Document Type and Number:
Japanese Patent JP2008243906
Kind Code:
A
Abstract:
To easily improve shielding performance when shielding an electromagnetic wave of a specified frequency.
On one flat surface of a basic material 11, a plurality of conductive loop forms 1 are formed. The conductive loop forms 1 are regularly arranged with intervals d, wherein four arcs of the same lengths are connected to one another to form a loop. Each arc forms a concave inside the loop form.
Inventors:
MAEYAMA TOSHIYUKI
Application Number:
JP2007078728A
Publication Date:
October 09, 2008
Filing Date:
March 26, 2007
Export Citation:
Assignee:
KDDI CORP
International Classes:
H05K9/00; H01Q17/00
Attorney, Agent or Firm:
Sumio Tanai
Masatake Shiga
Takashi Watanabe
Masatake Shiga
Takashi Watanabe