ELECTROLESS DEPOSITION OF NICKEL, COBALT, COPPER OR IRON METAL AND A BISMUTH, ANTIMONY, LEAD, TIN, TITANIUM, TUNGSTEN OR CHROMIUM SALT ON A GOLD, PLATINUM OR PALLADIUM LATENT IMAGE

摘要

Salts of bismuth, antimony, lead, tin, gold, silver, titanium, tungsten and chromium are employed to impart continuous tone characteristics to image reproductions produced by the electroless deposition of a non-noble metal onto a recording medium.