Dressing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 5, 2003
Grant Date -
N/A
app pub date -
Jun 7, 2000
filing date -
Jun 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a dressing apparatus wherein a polishing surface can be regenerated stably over a long period without any danger of an object to be polished being scratched. A dressing surface 50a of a dresser 48 is caused to slide on a polishing surface 30a of a polishing table 22 while the dressing surface is urged against the polishing surface. The dressing surface is formed from a grindstone 50.
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