PROCESS FOR FORMING ON SURFACE OF ARTICLES RELIEF FEATURING PROJECTIONS AND RECESSES OF UNIFORM HEIGHT SHAPE AND DISPOSITION SMOOTHLY CHANGING FROM ONE INTO THE OTHER, AND DEVICES FOR ACCOMPLISHING SAME

摘要

The invention is concerned with processes related to changing the relief of an article surface by way of introducing into the surface layer of said article a hard deforming member. The invention makes it possible to form on the surface of articles a relief whose projections rise above recesses to a value of the order of tens of microns.