Method for producing a silicon-based timepiece spring

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United States of America Patent

PATENT NO 11796966
SERIAL NO

17047936

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Abstract

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A method for producing a timepiece spring includes the following steps: producing a piece based on silicon, having the desired shape of the timepiece spring; thermally oxidising the piece; deoxidising the piece; annealing the piece in a reducing atmosphere; forming a silicon oxide layer on the piece.

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Patent Owner(s)

Patent OwnerAddress
PATEK PHILIPPE SA GENEVEGENEVA SWITZERLAND GENEVE GENEVA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bucaille, Jean-Luc Présilly, FR 10 19
Jeanneret, Sylvain Colombier, CH 11 63
Maier, Frédéric Neuchâtel, CH 13 33

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