Patent ID: 11872729
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC B  H | IPC B  H

Claim 0:
1. A method comprising:
providing a container configured to hold a circuit board, having a top side and a bottom side, during a molding process;
preparing a molding material comprising a pre-polymer base component and one of a hardener and curing agent component;
applying the molding material inside a plated through-hole defining a pathway that extends between the top side and the bottom side of the circuit board to substantially cover sides of the plated through-hole with the molding material;
curing the molding material; and
separating the molding material from the plated through-hole, wherein the molding material, after being cured, reveals a cast of the plated through-hole of the circuit board.