Hard material layers with selected thermal conductivity

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United States of America Patent

PATENT NO 9869015
SERIAL NO

14781135

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Abstract

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A hard material layer system with a multilayer structure, comprising alternating layers A and B, with A layers having the composition MeApAOnANmA in atomic percent and B layers having the composition MeBpBOnBNmB in atomic percent, where the thermal conductivity of the A layers is greater than the thermal conductivity of the B layers. MeA and MeB each comprise at least one metal of the group Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Al, pA indicates the atomic percentage of MeA and pB indicates the atomic percentage of MeB and the following is true: PA=PB, nA indicates the oxygen concentration in the A layers in atomic percent and nB indicates the oxygen concentration in the B layers in atomic percent and the following is true: nAB, and mA indicates the nitrogen concentration in the A layers in atomic percent and mB indicates the nitrogen concentration in the B layers in atomic percent and the following is true: pA/(nA+mA)=pB/(nB+mB).

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Patent Owner(s)

Patent OwnerAddress
ETH ZURICHRÄMISTRASSE 101 ZURICH CH-8092
OERLIKON SURFACE SOLUTIONS AG TRÜBBACH120 KURDISH STREET CAPE TOWN SWITZERLAND
EMPAUEBERLANDSTRASSE 129 DÜBENDORF CH-8600

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Böttger, Paul Heinrich Zürich, CH 1 8
Patscheider, Jörg Meilen, CH 4 9
Shklover, Valery Zürich, CH 7 457
Sobiech, Matthias Lukas Wasserburg, DE 6 16
Stein, Sebastian Achern, DE 11 63

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