Patent · US Active

Method of producing a layered composite including cubic boron nitride

US8227031B2 · kind B2 · utility

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4References

4Claims

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Assignee

KARLSRUHER INSTITUT FÜR TECHNOLOGIE · DE

Inventors

Sven Ulrich · Blankenloch, DE
Jian Ye · Karlsruhe, DE
Konrad Sell · Aachen, DE
Michael Stüber · Karlsruhe, DE

Key dates

Filing date	Apr 26, 2010
Grant date	Jul 24, 2012
Priority date	—
Expiry date	Aug 26, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C30/005
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

In a method of producing a layered composite, wherein at least one layer including cubic boron nitride is deposited on a substrate and, during the deposition, 3 to 15 at % oxygen is added for assuming the nitrogen locations of the cubic boron-nitride grating or intermediate grating locations, thereby providing for cubic boron nitride layers with a thickness of at least 2 μm without the formation of cracks.

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