METHOD FOR COATING MICROMECHANICAL PARTS WITH DUAL DIAMOND COATING

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United States of America Patent

APP PUB NO 20130234165A1
SERIAL NO

13885761

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Abstract

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Method for coating micromechanical components of a micromechanical system, in particular a watch movement, comprising:

    providing a substrate (4) component to be coated;providing said component with a first diamond coating (2) doped with boron;providing said component with a second diamond coating (3);wherein:said second diamond coating (3) is provided by CVD in a reaction chamber;during CVD deposition, during the last portion of the growth process, a controlled increase of the carbon content within the reaction chamber is provided, thereby providing an increase of the sp2/sp3 carbon (6) bonds up to an sp2 content substantially between 1% and 45%. Corresponding micromechanical components are also provided.

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Patent Owner(s)

Patent OwnerAddress
THE SWATCH GROUP RESEARCH AND DEVELOPEMENT LTDRUE DES SORS 3 MARIN 2074

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bourban, Stewes Chabrey, CH 45 232
Drexel, Herwig Igls, AT 3 11
Gilomen, Beat Grenchen, CH 19 375
Gnodbane, Slimane Innsbruck, AT 1 2
Richard, David Yverdon-les-Bains, CH 42 232
Steinmüller, Detlef Aldrans, AT 4 98
Steinmüller, Doris Aldrans, AT 2 3

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