Title:
ELECTROMAGNETIC WAVE ABSORBER AND ANTENNA
Document Type and Number:
Japanese Patent JP2023062445
Kind Code:
A
Abstract:
To provide an electromagnetic wave absorber and an antenna that suppress incident radio waves from becoming reflected waves with a simple configuration.SOLUTION: An electromagnetic wave absorber includes a conductor layer 10 including a plurality of metal patches 11 arranged at predetermined intervals, a dielectric layer 12 laminated under the conductor layer 10, and a slot layer 13 having a plurality of slots 15 and laminated under the dielectric layer 12, and a metal patch 11 and a slot 15 overlapping through the dielectric layer 12 are formed to have similar matching frequencies.SELECTED DRAWING: Figure 1
Inventors:
OBATA TERU
TAKAHASHI FUMIO
WATABE YUTA
TAKAHASHI FUMIO
WATABE YUTA
Application Number:
JP2021172433A
Publication Date:
May 08, 2023
Filing Date:
October 21, 2021
Export Citation:
Assignee:
TOKYO METRO IND TECH RES INST
International Classes:
H01Q17/00; H01Q13/08; H01Q21/06
Attorney, Agent or Firm:
Shinichi Fukuda
Shin Mizusaki
Takahashi Katsune
Shin Mizusaki
Takahashi Katsune