Brushless electroforming apparatus

摘要

An apparatus is disclosed for depositing metal on a mandrel which provides a brushless electrical current continuity between the mandrel and a current source, comprising: (a) a metal deposition vessel; (b) an electrode disposed in the vessel; (c) a mandrel disposed in the vessel, spaced apart from the electrode; (d) an electrically conductive liquid disposed in the vessel; (e) an electrolytic solution disposed in the tank; (f) a layer of a substantially electrically nonconductive material disposed between the electrolytic solution and the conductive liquid; and (g) connecting means for electrically connecting the mandrel and the conductive liquid, coupled to the mandrel.