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Compact anechoic chamber, metamaterial absorber, and uses thereof

Baghel, A. ; Pinho, P. ; Carvalho, N.B.C. ; Bikrat, Y.

Instituto de Telecomunicações, Controlar - Electrónica Industrial e Sistemas, S.A

Invention Title: Compact anechoic chamber, metamaterial absorber, and uses thereof

Patent Nr.: PCT/IB2024/054984

Type: Patent

Regional Coverage: PCT

Grant Status: Pending

Priority Date: 22-05-2023

Filing Date: 22-05-2024

Tech Offer: Unlocking Industry 4.0: Novel portable anechoic chamber with metamaterial absorber for antenna measurement

Abstract
The present document discloses a planar electromagnetic wave absorber comprising a conductive plane, a dielectric layer and a conductive metal oxide layer, wherein the conductive metal oxide layer is shaped with a polarization-independent shape. It is further disclosed an anechoic chamber comprising a plurality of the absorbers, the use of the chamber for surrounding and isolating a test product from electromagnetic fields and a method for characterization of at least an antenna with frequency of operation of 1 to 6 GHz.