Patent ID: 9551067
Date: 2017-01-24
CPC Classifications: C23C,Y10T

Claim:
1. A coating method for depositing a layer system formed from hard material layers on a substrate, comprising: providing an evacuable process chamber having a cathodic arc evaporation source with an evaporation material and having a magnetron discharge source with a discharge material, wherein the magnetron discharge source is operable in a HIPIMS mode; depositing at least one contact layer including the evaporation material on the surface of the substrate in a cathodic vacuum arc evaporation process only via the cathodic vacuum arc evaporation source; after depositing the contact layer, depositing at least one intermediate layer in a form of a nanostructured mixed layer, including the evaporation material and the discharge material, by parallel operation of the cathodic vacuum arc evaporation source and of the magnetron discharge source, with the magnetron discharge source being operated in the HIPIMS mode; and after depositing the at least one intermediate layer, depositing at least one top layer including the material only via the magnetron discharge source, with the magnetron discharge source being operated in the HIPIMS mode, wherein, for depositing the at least one intermediate layer in the form of a nanostructured mixed layer, during which the cathodic vacuum arc evaporation source and of the magnetron discharge source operating in HIPIMS mode are operated in parallel, a coating pressure in a range from 0.5 Pa to 20 Pa is used.