Davey Norman, Loasby Geoffrey Roger: Microelectronic circuits and processes for making them. National Research Development Corporation, November 23, 1971: US3622384 (38 worldwide citation)

In a process for making a multilayer microelectronic circuit by successive screen-printing operations, at least one layer of the circuit is formed by screen printing a first conductor pattern of conductor material and a first insulating pattern of insulating material, the insulating pattern being su ...