Cerium-based abrasive material and method for preparation...

Details Cerium-based abrasive material and method for preparation... Cerium-based abrasive material and method for preparation...

2005-01-18

2005-01-18

Marcheschi, Michael (Department: 1755)

Abrasive tool making process, material, or composition

With inorganic material

C051S309000, C106S003000

Reexamination Certificate

active

06843816

ABSTRACT:
A cerium-based abrasive and a production method of the cerium-based abrasive excellent in polishing properties of a high polishing speed and scarce formation of polishing scratches are provided by keeping the color of the abrasive in specified ranges or stably making fluorine be contained in the abrasive. For example, as such a cerium-based abrasive, examples include a cerium-based abrasive containing cerium oxide as a main component and having an L* value in a range not lower than 65 and or lower 90, an a* value in a range 0 or higher but 15 or lower, and a b* value in a range 10 or higher but 30 or lower in the case the color is expressed by an L*a*b* color system.

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