Method of manufacturing cerium-based polishing agent

Details Method of manufacturing cerium-based polishing agent Method of manufacturing cerium-based polishing agent

2005-06-14

2005-06-14

Deo, Duy-Vu N. (Department: 1765)

Abrasive tool making process, material, or composition

With inorganic material

C051S308000, C051S309000

Reexamination Certificate

active

06905527

ABSTRACT:
This invention aims to provide a method of manufacturing a cerium-based abrasive containing coarse particles in lower concentration and having higher polishing ability and excellent cleanability for a polished face. Further, the present invention provides a method of manufacturing a cerium-based abrasive, including the steps of pulverizing a raw material, roasting a raw material after pulverization and disintegrating a raw material after roasting, in which a cerium-based rare earth carbonate or a mixture of a cerium-based rare earth carbonate and a cerium-based rare earth oxide is used as a cerium-based abrasive raw material, and the step of pulverizing a raw material pulverizes a raw material through heating while the material is kept immersed in aqueous solution.

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