Title:
ELECTROMAGNETIC WAVE ABSORBER
Document Type and Number:
Japanese Patent JP2019057730
Kind Code:
A
Abstract:
To provide an electromagnetic wave absorber which can be used for a radar having high solution, and which can sufficiently cope with the case of using a plurality of radars having different frequencies.SOLUTION: There is provided an electromagnetic wave absorber having a dielectric layer and a conductive layer provided on one surface of the dielectric layer, therein the thickness of the conductive layer is ranging from 20 nm to 100 μm, and the band width of a frequency band in which an electromagnetic wave absorption volume of the electromagnetic wave absorber is 20 dB or more is 2GHz or more in a frequency band of 60 to 90 GHz.SELECTED DRAWING: Figure 6
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Inventors:
UKEI HIROICHI
UI TAKEHIRO
YAMAGATA KAZUTO
TAKEDA YUKI
MACHINAGA HIRONOBU
KITAGAWA YUYA
SASA KAZUAKI
UI TAKEHIRO
YAMAGATA KAZUTO
TAKEDA YUKI
MACHINAGA HIRONOBU
KITAGAWA YUYA
SASA KAZUAKI
Application Number:
JP2018232235A
Publication Date:
April 11, 2019
Filing Date:
December 12, 2018
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
H05K9/00; B32B7/025; H01Q17/00
Attorney, Agent or Firm:
Masahiko Nishito
Iisaki Aika
Yuko Saito
Iisaki Aika
Yuko Saito