Abstract: An improved shielding assembly for a circuit board. This assembly is formed by providing a substantially flat piece of metal that will be used to form a shield assembly. A template is obtained indicating locations of folds and tabs. The folds are at locations that will enable the tabs to be located in the holes on the circuit board. The template is used to etch grooves and to etch tabs. This can be used to form a shielding assembly.

Abstract: An improved shielding assembly for a circuit board. The assembly includes a multi-layer circuit board, each layer of which has ground planes around the perimeter thereof. An edge plating on the circuit board connects the ground planes to one another. A number of tab holes are also in the board, and the shielding assembly is formed as a conductive box which is connected to the tab holes. A shielded area is formed within the shielding assembly. The shielding assembly is preferably formed by etching fold locations and folding, and by etching tabs to be formed.

Abstract: A shielded print head assembly has a plurality of pieces that are self-aligned with one another. A base forms a ground plane, and includes a registry structure thereon which is preferably a pin extending above a top surface thereof. A circuit board is aligned by connecting inner surfaces of the circuit board around the pin to precisely locate a connector of the circuit board. A print head is located adjacent to the circuit board such that its connector is exactly adjacent to connector of the circuit board. An innerface connector is then used to connect between the circuit board connector and the print head connector, the interface connector being completely shielded by a cover. The interface connector is also held in self-alignment by the registry structure. The interface connector also has a top surface defining an insulation area, coupled against the cover which forms a ground plane. In this way, a shielded and self-aligned multi-piece print head is formed.