Electromagnetic shielding film and preparation method therefor
US11019758B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jun 21, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Jun 21, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y30/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an electromagnetic shielding film, comprising a release film layer, an insulation layer, a black insulation shielding layer, a metal layer, a conductive paste layer and a protective film layer which are sequentially connected. The conductive paste layer further comprises an electromagnetic wave absorbent. The electromagnetic wave absorbent is a mixture of one or more of carbon nanotubes, graphene and ferrite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.