CPC C23C 28/021 (2013.01) [C23C 22/50 (2013.01); C23C 28/042 (2013.01); C23C 28/44 (2013.01)] | 20 Claims |
1. A method for providing a metallic surface with a coating by applying one or more layers of one or more metal-containing slips to the surface, wherein at least one of the one or more slips comprises metal-based particles, is gray and further comprises at least one coloring and/or color-imparting substance which has no influence on the properties of the completed coating and/or can be decomposed by thermal treatment, and the local thickness of an applied slip layer is determined on the basis of a local color intensity of the layer.
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