Patents Assigned to HENAN GUOAN ELECTRONIC MATERIAL CO., LTD.
  • Electromagnetic shielding film and preparation method therefor
    Patent number: 11019758
    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.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: May 25, 2021
    Assignee: HENAN GUOAN ELECTRONIC MATERIAL CO., LTD.
    Inventors: Qingchen Cui, Guofa Li, Wenjuan Song