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:
Aug. 25, 2015
Filed:
Dec. 27, 2012
Picosun Oy, Espoo, FI;
Ivan Kolev, Maastricht, NL;
Paul Peeters, Eindhoven, NL;
Roland Tap, Nürnberg, DE;
Bertram Haag, Uhlfeld, DE;
Yashar Musayev, Nürnberg, NL;
Serge Kursawe, Uttenreuth, DE;
Tim Matthias Hosenfeldt, Nürnberg, NL;
Jürgen Gierl, Erlangen, DE;
Juhana Kostamo, Espoo, FI;
Picosun OY, Espoo, FI;
Abstract
A coated article of steel having at least one layer having a high hardness and a high resistance to wear applied by a deposition (e.g., PVD, a CVD, or PECVD) process, at least one surface region of said article and at least one ALD layer comprising at least one layer of a material deposited by an ALD (atomic layer deposition) process on said at least one layer, wherein the steel of which the article is made is a martensitic grade of steel, wherein the at least one layer, is a DLC layer, a metal-DLC layer, or a CrAlN layer and has a thickness in the range from 0.5 microns to 4 microns and a hardness in the range from 20 GPa to 100 GPa, and wherein the ALD layer has a thickness in the range from 1 nm to 100 nm.