Interconnection of Metal Films On Opposite Sides of a Printed Circuit Board
Original Publication Date: 1989-May-01
Included in the Prior Art Database: 2005-Jan-29
In conventional practice, the metallurgy on opposite sides of a printed circuit board has usually been connected by plating vias which extend through the board from one side to the other. Plating has several manufacturing drawbacks, and the present technique provides the electrical connection without plating.