Abrading – Abrading process – With tool treating or forming
Reexamination Certificate
2007-10-23
2007-10-23
Nguyen, Dung Van (Department: 3723)
Abrading
Abrading process
With tool treating or forming
C451S057000, C451S059000
Reexamination Certificate
active
11543761
ABSTRACT:
Methods for making polishing tools and associated tools are disclosed. In one aspect, a method of making a polishing tool is provided. Such a method may include truing a working surface of a nano-diamond impregnated substrate. The method may further include forming asperities on the working surface with a polycrystalline diamond dresser, where the asperities have a height to distance ratio of from about 1:5 to about 5:1 and where the average asperity diameter is less than about 175 μm.
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Nguyen Dung Van
Thorpe North & Western LLP
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