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Impey John: Injection molded multi-layer circuit board and method of making same. Impey John, Mettler Rollin W Jr, Mettler John H, DeLIO Anthony P, April 24, 1986: WO/1986/002518

A multi-layer circuit board comprised of two or more circuit board substrates (10, 12) shaped by injection molding with mating interconnecting pins (22) and holes (24) and banded together with an electrically insulated adhesive material (28). Circuit leads (14, 16, 18, 20) are provided on both sides ...


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Impey John: Manufacturing method for electrical circuit board. Moulded Circuits, Impey John, JONES Stephen Anthony, March 18, 1993: WO/1993/005633

A method of producing an electrical circuit board comprises mounting electrically conducting circuit elements (31) moulded from plastics material on a pre-formed board (38). The circuit elements (31) are preferably made electrically conducting prior to mounting on the board (38) by plating with an e ...