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US 2022/0071068 A1Published application
Electromagnetic wave absorbing sheet
AssigneeZeon Corporation
InventorsArinobu KATADA, Tomoko YAMAGISHI, Mitsugu UEJIMA
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Abstract
An electromagnetic wave absorbing sheet includes a sheet-shaped fibrous substrate and a plurality of carbon nanotubes attached to the sheet-shaped fibrous substrate. The attached amount of the carbon nanotubes in the electromagnetic wave absorbing sheet is 5 mass % or more. The electromagnetic wave absorbing sheet has a surface resistance of 20 Ω/sq. or more.
Claims5
An electromagnetic wave absorbing sheet comprising:
- a sheet-shaped fibrous substrate;
- and a plurality of carbon nanotubes attached to the sheet-shaped fibrous substrate, wherein
- an attached amount of the carbon nanotubes is 5 mass % or more, and
- the electromagnetic wave absorbing sheet has a surface resistance of 20 Ω/sq. or more.
1 more element
An electromagnetic wave absorbing sheet having a transmission attenuation power ratio value of 40 dB or more within a range of not less than 10 GHz and not more than 40 GHz.
Dependencies are inferred from the claim text.