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:
Sep. 20, 2022
Filed:
Aug. 01, 2018
Osg Corporation, Toyokawa, JP;
Mei Wang, Toyokawa, JP;
Hiroaki Sugita, Toyokawa, JP;
OSG CORPORATION, Toyokawa, JP;
Abstract
A hard coating includes three kinds of alternately laminated layers. The three kinds of layers consist of two kinds of single composition layers and a nanolayer-alternated layer. The two kinds of single composition layers are constituted by respective two of an A composition, a B composition and a C composition, wherein the A composition is a nitride of AlCrα, the B composition is a nitride of AlCrSiβ, and the C composition is a nitride of AlCr(SiC)γ. The nanolayer-alternated layer includes two kinds of nanolayers which are constituted by respective two of the A composition, the B composition and the C composition and which are alternately laminated. Each of the two kinds of single composition layers has a thickness of 0.5-1000 nm. Each of the two kinds of nanolayers has a thickness of 0.5-500 nm, and the nanolayer-alternated layer has a thickness of 1-1000 nm.