METHOD FOR OBTAINING APPLICATION FROM PRECIOUS METALS ON JEWELRY ARTICLE ENAMELED PARTS Russian patent published in 1998 - IPC

FIELD: jewelry production. SUBSTANCE: method involves photoengraving combined with galvanic deposition of precious metals on substrate with following removal of substrate; making white-and-black image (rough drawing, pattern etc) of application to be obtained; photographing and transferring onto light- sensitive layer applied to clad surface of dielectric plate; etching excessive light-sensitive layer from plate to uncover copper substrate configured and sized in accordance with application to be produced; providing deposition of layer of precious metal having predetermined thickness by galvanic method; burning out dielectric (Getinaks, textolite etc); etching substrate; attaching application billet of precious metal to enamel surface of jewelry article. EFFECT: increased efficiency in obtaining intricate applications of arbitrary configuration and improved quality of jewelry article. 1 ex