Polishing composition

Details Polishing composition Polishing composition

1998-11-27

1999-12-07

Koslow, C. Melissa

Compositions: coating or plastic

Coating or plastic compositions

Polishes

51307, 51308, 51309, 216 89, 438692, 438693, B24B 100, H01L 218229, H01L 218239

Patent

active

059976209

ABSTRACT:
A polishing composition for polishing a memory hard disk comprising water and at least one abrasive selected from the group consisting of silicon dioxide, aluminum oxide, cerium oxide, zirconium oxide, titanium oxide, silicon nitride and manganese dioxide, which further contains an iron compound dissolved in the composition, said iron compound being selected from the group consisting of iron(III) nitrate, iron(III) sulfate, ammonium iron(III) sulfate, iron(III) perchlorate and an ion salt of an organic acid.

REFERENCES:
patent: 4959113 (1990-09-01), Roberts

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