Process for the production of a ceramic or porcelain coated with a noble metal layer and ceramic or porcelain object coated with a layer of this type.

摘要

Process for the production of a ceramic or porcelain coated with a noble metal layer, wherein - on the uncooked object is first coated with a suspension of matt enamel in a layer thickness of 0.5 to 1.5 mm - and oven dried to form a roughened layer matt enamel with an average depth of roughness Rz of from 20 to 50 .mu.m, - on which a solution containing a noble metal, such is then applied to , after drying in an oven, the noble metal layer forms a layer thickness between 0.05 and 1.5 .mu.m.