Title:
ELECTROMAGNETIC WAVE REFLECTION SHEET, ROLL BODY, METHOD FOR MANUFACTURING ELECTROMAGNETIC WAVE REFLECTION SHEET, AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/054028
Kind Code:
A1
Abstract:
An electromagnetic wave reflection sheet (1) comprises a substrate (2) and an electromagnetic wave reflection layer (3) sequentially toward one side in the thickness direction. The electromagnetic wave reflection sheet (1) has a transmittance of 83% or more with respect to light having a wavelength of 550 nm. The electromagnetic wave reflection sheet (1) has a shielding effect of 9 dB or more with respect to an electromagnetic wave having a frequency of 28 GHz. The electromagnetic wave reflection sheet (1) has a thickness T of 50-400 μm.
Inventors:
KATO DAIKI (JP)
NAGAOKA NAOKI (JP)
NAGAOKA NAOKI (JP)
Application Number:
PCT/JP2022/034777
Publication Date:
April 06, 2023
Filing Date:
September 16, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
H05K9/00; B32B7/023; B32B7/025; C09J7/29; C09J7/38; C23C14/08; F21V9/08; F21V23/00
Domestic Patent References:
| WO2006098338A1 | 2006-09-21 |
Foreign References:
| CN113079683A | 2021-07-06 | |||
| JP2003218582A | 2003-07-31 | |||
| JP2011525042A | 2011-09-08 | |||
| JP2007109805A | 2007-04-26 |
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
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