Stator, movement, timepiece, method for manufacturing movement and method for manufacturing stator
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United States of America Patent
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Mar 12, 2024
Grant Date -
Mar 25, 2021
app pub date -
Sep 16, 2020
filing date -
Sep 24, 2019
priority date (Note) -
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Abstract
A stator includes a magnetic plate material that has a main plate surface that is a surface to face a main plate of a movement when assembled to the main plate and that has a rotor accommodating hole formed in a part thereof; and a non-magnetic region that is made non-magnetic by applying chromium on the main plate surface around the rotor accommodating hole and irradiating the chromium with a laser from the main plate surface side.
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