METHOD FOR PRODUCING A SILICON-BASED TIMEPIECE SPRING
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United States of America
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Apr 15, 2021
app pub date -
Dec 18, 2018
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Dec 18, 2018
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Abstract
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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