Patent ID: 11962112
Assignee: GUANGZHOU FANGBANG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 28:
29. The manufacturing method according to claim 25, wherein after forming the conductive medium in the connection hole, the method further comprises: forming an adhesive film layer on the surface of the copper foil of the flexible copper-clad plate provided with the protrusion portion, specifically comprising:
coating the adhesive film layer on a release film, and then laminating and transferring the adhesive film layer to the surface of the copper foil of the flexible copper-clad plate provided with the protrusion portion through the release film;
or directly coating the adhesive film layer on the surface of the copper foil of the flexible copper-clad plate provided with the protrusion portion.