Patent · US Expired

Work piece with a hard film of AlCr-containing material, and process for its production

US7226670B2 · kind B2 · utility

31Cited by

5References

22Claims

0Family size

Assignee

OC Oerlikon Balzers AG · LI

Inventors

Volker Derflinger · Feldkirch, AT
Andreas Reiter · Feldkirchen-Westerham, DE
Christoph Gey · Zirndorf, DE

Key dates

Filing date	Apr 15, 2004
Grant date	Jun 5, 2007
Priority date	—
Expiry date	Apr 6, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/30
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A work piece or structural component is coated with a system of film layers at least one of which is composed of (AlyCr1-y) X, where X=N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO or CBNO and 0.2≦y<0.7, with the composition within said film being either essentially constant or varying over the thickness of the film continually or in steps, as well as a process for producing it.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.