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:
Feb. 20, 2018
Filed:
Apr. 09, 2014
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Vineet Kumar, Latrobe, PA (US);
Ronald Penich, Greensburg, PA (US);
Yixiong Liu, Greensburg, PA (US);
Assignee:
KENNAMETAL INC, Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 14/06 (2006.01); C23C 28/04 (2006.01); C04B 35/66 (2006.01); H01J 37/32 (2006.01); C23C 14/00 (2006.01); C23C 14/02 (2006.01); C23C 14/32 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
C23C 28/042 (2013.01); C04B 35/66 (2013.01); C23C 14/0021 (2013.01); C23C 14/024 (2013.01); C23C 14/0641 (2013.01); C23C 14/325 (2013.01); C23C 28/044 (2013.01); C23C 28/42 (2013.01); H01J 37/32055 (2013.01); H01J 37/32568 (2013.01); H01J 37/32614 (2013.01); H01J 37/32669 (2013.01); C04B 2235/3886 (2013.01); H01J 2237/332 (2013.01); Y10T 428/265 (2015.01); Y10T 428/31678 (2015.04);
Abstract
In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising MAlN wherein x≧0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.