SURFACE TREATMENT METHOD
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United States of America
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Issued Date -
Jan 13, 2022
app pub date -
Jul 8, 2021
filing date -
Jul 8, 2021
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Abstract
A surface treatment method includes a step of irradiating a workpiece with a pulsed laser beam through a transparent liquid and a step of causing particles to collide with a heat-affected layer developed on a surface layer portion of the workpiece in the step of irradiating. The particles each has a core made of an elastic body and abrasive grains provided on a surface of the core.
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