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

Claim 21:
22. The manufacturing method according to claim 20, wherein forming the conductive medium in the connection hole specifically comprises:
depositing a layer of thin conductive medium on a hole wall of the connection hole through a chemical reaction, increasing a thickness of the conductive medium on the hole wall and forming a conductive hole by one or more of electroplating, chemical plating, physical vapor deposition, and chemical vapor deposition;
or depositing a layer of thin conductive medium on a hole wall of the connection hole through a chemical reaction, filling the connection hole with the conductive medium by one or more of electroplating, chemical plating, physical vapor deposition, and chemical vapor deposition.