Patent ID: 7718043
Filing Date: 2010-05-18
Classification: C23C,Y10T

Abstract:
1. A method of providing a hard coating on a workpiece, comprising: a) positioning the workpiece in a coating system adjacent at least one TiSiX target and at least one AlCrX target, each of said targets having an associated cathodic arc source, wherein X is selected from the group consisting of N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO, and CBNO; b) rotating the workpiece; c) applying a biasing voltage to said workpiece; and d) selective operating said cathodic arc sources to deposit a multilayer coating onto the workpiece, said multilayer coating comprising: at least one layer selected from the group consisting of: at least one layer stack comprising the following layers: