Title:
RADIO WAVE ABSORBER
Document Type and Number:
WIPO Patent Application WO/2020/230709
Kind Code:
A1
Abstract:
Provided is a radio wave absorber containing a magnetic powder and a binder, wherein the volume filling rate of the magnetic powder in the radio wave absorber is 35 vol% or less, and the radio wave absorber has a transmission attenuation amount not less than 8.0 dB and a reflection attenuation amount not less than 8.0 dB.
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Inventors:
HASHIMOTO HIROKAZU (JP)
Application Number:
PCT/JP2020/018622
Publication Date:
November 19, 2020
Filing Date:
May 08, 2020
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
H05K9/00; C01G49/00; C08K3/22; C08L101/00; H01F1/34; H01F1/37; H01Q17/00
Foreign References:
| JP2000232294A | 2000-08-22 | |||
| JPH0730279A | 1995-01-31 | |||
| JP2018056492A | 2018-04-05 |
Other References:
J. JPN, SOC. POWDER METALLURGY, vol. 61, no. 1, pages S280 - S284
J. MATER. CHEM. C, vol. 1, 2013, pages 5200 - 5206
SURFACE TECHNOLOGY, vol. 61, no. 3, 2010, pages 216
SURFACE TECHNOLOGY, vol. 64, no. 12, 2013, pages 640
YASUKAZU OKATSU: "Comprehensive Technology for Polymer Stabilization - Mechanism and Application Development", CMC PUBLISHING CO., LTD
See also references of EP 3972402A4
J. MATER. CHEM. C, vol. 1, 2013, pages 5200 - 5206
SURFACE TECHNOLOGY, vol. 61, no. 3, 2010, pages 216
SURFACE TECHNOLOGY, vol. 64, no. 12, 2013, pages 640
YASUKAZU OKATSU: "Comprehensive Technology for Polymer Stabilization - Mechanism and Application Development", CMC PUBLISHING CO., LTD
See also references of EP 3972402A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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