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Patent Searching and Data


Title:
RADIO WAVE ABSORBER
Document Type and Number:
Japanese Patent JP2005277373
Kind Code:
A
Abstract:

To provide a radio wave absorber which has a reflection attenuating ability capable of preventing a communication trouble due to reflection of a electromagnetic wave etc., can be thinned and lightened, and has a wide band attenuation characteristic.

The radio wave absorber is structured by sequentially stacking a latticed conductor layer 11 composed of conductors, a first dielectric layer 12, a high resistance conductor layer 13 having a predetermined surface resistivity, a second dielectric layer 14, and a pattern layer 16 having a plurality of patterns made up of conductors. Each pattern in the pattern layer 16 and the other adjacent patterns differ in at least either of a size and a shape.


Inventors:
MASUDA YOSHIYUKI
OTANI NOBORU
NAKANO HISAMATSU
Application Number:
JP2004265233A
Publication Date:
October 06, 2005
Filing Date:
September 13, 2004
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO
International Classes:
B32B7/02; H01Q15/24; H01Q17/00; H05K9/00; (IPC1-7): H05K9/00; B32B7/02; H01Q15/24; H01Q17/00
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama