Title:
ELECTROMAGNETIC WAVE ABSORBER/REFLECTOR, PLANAR ANTENNA, AND MANUFACTURING METHOD OF ELECTROMAGNETIC WAVE ABSORBER/REFLECTOR
Document Type and Number:
Japanese Patent JP2023138311
Kind Code:
A
Abstract:
To provide a thin electromagnetic wave absorber/reflector that can support frequencies of several GHz or less without increasing the size of a conductor pattern formed on the surface of a base material.SOLUTION: An electromagnetic wave absorber/reflector includes a base material and a unit pattern of a conductor provided periodically on the surface of the base material, and a part of the unit pattern overlaps a part of an adjacent unit pattern in the stacking direction of the base materials with a dielectric layer interposed therebetween.SELECTED DRAWING: Figure 3
Inventors:
SHIREN YOHEI
HIRANO YUKIKO
HATANAKA SHINICHI
FUKUDA TOMOO
FUJITA TAKASHI
HIRATSUKA HIROYUKI
TAMURA ASATO
HASEGAWA TORU
NAKAMORI HIDEO
WAKABAYASHI YUKIHIRO
TAKEUCHI KOJI
HIRANO YUKIKO
HATANAKA SHINICHI
FUKUDA TOMOO
FUJITA TAKASHI
HIRATSUKA HIROYUKI
TAMURA ASATO
HASEGAWA TORU
NAKAMORI HIDEO
WAKABAYASHI YUKIHIRO
TAKEUCHI KOJI
Application Number:
JP2022197447A
Publication Date:
October 02, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
H01Q15/14; H01P11/00; H01Q13/08; H01Q17/00; H01Q21/06; H05K9/00
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Koichi Hirota
Tadahiko Ito
Koichi Hirota