Technical Literature Locator

By Dr. S. Alec Watson, Dec 1990. Electroforming is the production or reproduction of articles by electrodeposition upon a mandrel or mold that is subsequently separated from the deposit. This separation is achieved by ensuring that the deposit is nonadherent from the commencement of deposition, or by using as the mandrel material a product that can be melted out or dissolved away. A second important point concerning the substrate preparation for electroforming, it is noted, is that the form and surface finish applied to the mandrel are exactly copied on the inside surface of the electroform. This high degree of precision is exploited in the electroforming of record stampers, security printing plates for producing bank notes, and electroformed nickel products such as precision mirrors.

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