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Patent Searching and Data


Title:
ELECTROMAGNETIC WAVE SHIELDING FILM
Document Type and Number:
WIPO Patent Application WO/2022/097659
Kind Code:
A1
Abstract:
The present invention provides an electromagnetic wave shielding film which is capable of preventing color unevenness of a shielding layer from being seen through an adhesive layer when the electromagnetic wave shielding film is seen from the adhesive layer side. An electromagnetic wave shielding film according to the present invention is obtained by sequentially stacking a shielding layer and an adhesive layer, and is characterized in that: the adhesive layer contains an adhesive resin composition and a pigment; and the a* value in the L*a*b* color system of the surface of the adhesive layer is from 0.01 to 2.50 when the electromagnetic wave shielding film is seen from the adhesive layer side.

Inventors:
SHIBATA YOUHEI (JP)
Application Number:
PCT/JP2021/040493
Publication Date:
May 12, 2022
Filing Date:
November 04, 2021
Export Citation:
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Assignee:
TATSUTA ELECTRIC WIRE & CABLE CO LTD (JP)
International Classes:
B32B27/20; B32B7/023; B32B7/025; H05K9/00
Domestic Patent References:
WO2020116409A12020-06-11
Foreign References:
JP2018041962A2018-03-15
JP2016056370A2016-04-21
JP2016054261A2016-04-14
JP2010226012A2010-10-07
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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