RADIO WAVE ABSORBER - UNIV TOKYO

Title:

RADIO WAVE ABSORBER

Document Type and Number:

WIPO Patent Application WO/2019/004104

Kind Code:

A1

Abstract:

According to the present invention, a radio wave absorber 1 is provided with a substrate 10 and a radio wave absorption film 20 that is formed on the substrate 10. The radio wave absorption film 20 contains at least MTC-type ε-Fe2O3 and black titanium oxide. The MTC-type ε-Fe2O3 is a crystal that has the same space group as a ε-Fe2O3 crystal, while being represented by formula ε-MxTiyCoyFe2-2y-xO3 (wherein M represents at least one element selected from among Ga, In, Al and Rh; 0 < x < 1; and 0 < y < 1).

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Inventors:

OHKOSHI SHIN-ICHI
NAMAI ASUKA
NISHITANI SEIJI
KUZUU TOMOHIRO

Application Number:

PCT/JP2018/023949

Publication Date:

January 03, 2019

Filing Date:

June 25, 2018

Export Citation:

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Assignee:

UNIV TOKYO (JP)
PANASONIC CORP (JP)

International Classes:

H05K9/00; B32B9/00; B32B27/18; H01F1/375

Domestic Patent References:

WO2008149785A1	2008-12-11
WO2017043449A1	2017-03-16

Foreign References:

JP2016111341A	2016-06-20
JP2004022892A	2004-01-22

Attorney, Agent or Firm:

HOKUTO PATENT ATTORNEYS OFFICE (JP)

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