Patent ID: 7927663

Claim:
In the method of depositing a MTCVD-Ti(C,N)-layer using known MTCVD-technique, the improvement comprising using a dopant addition in order to obtain a layer composed of equiaxed grains with grain size of from about 50 to about 300 nm and having a length-to-width ratio (L/W) of <3, wherein said dopant addition comprises: CO in the range from about 1.5 to about 4.0% of the total gas flow; an aluminium halide in the range from about 1.0 to about 6.0%; a zirconium halide in the range from about 1.0 to about 5.0%; and/or a hafnium halide in the range from about 1.0 to about 5.0%.