Patent ID: 9476114
Filing Date: 2016-10-25
CPC Classification: C23C,Y10T

Claim Text:
1. Tool, comprising: a base body made of hard metal, cermet, ceramics, steel or high-speed steel; and a single-layer or multi-layer anti-wear protective coating applied thereto in a PVD process, wherein at least one layer of said anti-wear protective coating is a titanium-aluminium-nitride layer, Ti wherein the Ti wherein the Al concentration y(B) in coats (B) amount at most to 70 at. % (y(B)≦0.70), wherein the Al concentration y(B) in coats (B) are from 10 to 25 at. % higher than the Al concentration y(A) in coats (A) (y(B)=(y(A)+0.10) to (y(A)+0.25)), wherein a concentration ratio of Ti to Al in the Ti wherein the Ti wherein the Ti