Method and system of surface polishing
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 28, 2020
Grant Date -
Aug 10, 2017
app pub date -
Mar 3, 2017
filing date -
Mar 3, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A method of polishing a surface of an object disposed within a gas chamber is provided. The method includes filling the gas chamber with a discharging medium to a predefined pressure, applying a voltage between an electrode and the surface, calibrating a height of the electrode relative to the surface so as to establish electrical breakdown threshold criteria, and scanning the electrode with respect to the surface so as to sequentially position the electrode over a plurality of locations on the surface, each location characterized by a surface error. When a respective location in the plurality of locations has a surface error that meets the electrical breakdown threshold criteria, electrical breakdown occurs, whereby the electrical breakdown results in a discharging pulse that polishes the surface.
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