The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2008
Filed:
Jul. 11, 2005
Applicant:
Volker Derflinger, Feldkirch, AT;
Inventor:
Volker Derflinger, Feldkirch, AT;
Assignee:
OC Oerlikon Balzers AG, Balzers, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multilayer hard coating for tools for machining applications with a multilayer structure for improving the wear resistance of workpieces includes at least one (AlCr) X layer (0.2≦y≦0.7), wherein X is one of the following elements N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO, CBNO, but preferably N or CN, and/or a (TiSi) layer (0.1≦z≦0.3). The hard coating also includes at least one layer stack with one (AlCrTiSi) X mixed layer, followed by another (TiSi) X layer, followed by another (AlCrTiSi) X mixed layer, followed by another (AlCr) X layer.