Title:
ELECTROMAGNETIC WAVE INTERFERENCE ABSORBER
Document Type and Number:
WIPO Patent Application WO/2023/162514
Kind Code:
A1
Abstract:
Provided is an electromagnetic wave interference absorber including, in the order given, an electromagnetic wave reflection layer, a 1/4 λ-type first dielectric layer having a specific dielectric constant e1, a conductive layer having a resistance value R, and a 1/4 λ-type second dielectric layer having a specific dielectric constant e2. The resistance vale R [Ω/□] is at least a resistance value Zr of a non-reflective conductive layer, represented by formula (1). In formula (1), Z2 represents the characteristic impedance [Ω] of the second dielectric layer, and r represents the reflectance of the second dielectric layer.
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Inventors:
AKAMA HIROSHI (JP)
HIRATA KOJI (JP)
ORIHARA KATSUHISA (JP)
KANEHIRA HIROKI (JP)
BOLOTOV SERGEY (JP)
HIRATA KOJI (JP)
ORIHARA KATSUHISA (JP)
KANEHIRA HIROKI (JP)
BOLOTOV SERGEY (JP)
Application Number:
PCT/JP2023/001169
Publication Date:
August 31, 2023
Filing Date:
January 17, 2023
Export Citation:
Assignee:
DEXERIALS CORP (JP)
International Classes:
H05K9/00; B32B7/025; B32B27/00; H01Q17/00
Foreign References:
| JP2005277373A | 2005-10-06 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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