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Patent Searching and Data


Title:
ELECTROMAGNETIC WAVE ABSORBER AND METHOD FOR PRODUCING ELECTROMAGNETIC WAVE ABSORBER
Document Type and Number:
WIPO Patent Application WO/2018/180928
Kind Code:
A1
Abstract:
This electromagnetic wave absorber is equipped with: a support body; a plate-shaped first electromagnetic wave absorbing layer which contains an electromagnetic wave absorbing material and a binder, and is positioned on the surface of the support body; a second electromagnetic wave absorbing layer which is provided so as to stand upright on the surface of the first electromagnetic wave absorbing layer, contains an electromagnetic wave absorbing material and a binder, constitutes cone-shaped projections which contact one another at the outer-circumferential sections of the floor surfaces thereof, and is configured in a manner such that the distance between peaks of adjacent cone-shaped projections is 0.5-λamm, inclusive, given that the wavelength of the absorbed electromagnetic waves is λa. Also provided is a method for producing this electromagnetic wave absorber.

Inventors:
MIKAMI TATSUO (JP)
YOSHIZAWA HIROTOSHI (JP)
Application Number:
PCT/JP2018/011525
Publication Date:
October 04, 2018
Filing Date:
March 22, 2018
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
H05K9/00
Foreign References:
JP2006351693A2006-12-28
JPH07193388A1995-07-28
JP2011005245A2011-01-13
JPS52106048U1977-08-12
JP2006351693A2006-12-28
JP2017068887A2017-04-06
Other References:
See also references of EP 3606309A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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