TIMEPIECE COMPONENT
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United States of America Patent
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Issued Date -
May 25, 2017
app pub date -
Oct 4, 2016
filing date -
Nov 19, 2015
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Abstract
A timepiece component includes a core made of material suitable for electroforming, containing nickel-phosphorus or made of nickel-phosphorus, which core is, at least locally, coated with a surface layer of gold or gold alloy, to improve its tribological behaviour in areas including the surface layer of gold or gold alloy. The component is made by a fabrication method that includes the steps consisting in preparing a composition suitable for creating a solid core by a LIGA or electroforming method; shaping the solid core by a LIGA or electroforming method; coating the solid core, at least locally in areas subject to friction, with a gold or gold alloy surface layer.
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