Shielding film and method of manufacturing same

摘要

A shielding film includes an insulation layer, a conductive shielding layer and an adhesive layer; and is manufactured in a method including the steps of connecting a conductive shielding layer to a substrate material and forming a plurality of cavities on them; forming an insulation layer on the conductive shielding layer to fill up all the cavities; forming a carrier film on a top of the insulation layer; removing the substrate material from the conductive shielding layer, such that a plurality of downward protruded metal grounding electrodes are formed on a lower side of the conductive shielding layer corresponding to the cavities; and providing an adhesive layer on the lower side of the conductive shielding layer, such that the metal grounding electrodes are exposed from the adhesive layer to present a geometric pattern. The produced shielding film shows good grounding effect and bonding strength to ensure enhanced electromagnetic shielding effect.

主权项

1. A shielding film, comprising:
an insulation layer; a conductive shielding layer being formed on a lower side of the insulation layer and having a part area downward protruded to form a plurality of metal grounding electrodes; and the metal grounding electrodes being distributed over a lower side of the conductive shielding layer and together presenting a geometric pattern to define a plurality of relatively large filling spaces among the metal grounding electrodes; and an adhesive layer being filled in the filling spaces.