Composition and method for polishing rigid disks

Compositions – Oxidative bleachant – oxidant containing – or generative

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216 53, 2521821, 25218232, 2521834, 510175, C09K 1300

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active

06015506&

ABSTRACT:
A method for polishing computer rigid disks comprising bringing at least one surface of the rigid disk into contact with a polishing pad and applying a dispersion to the rigid disk to give a polished rigid disk having an rms roughness less than about 1.4 nm. Also disclosed is a dispersion and polishing slurry for polishing rigid disks.

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