Method of washing a polished object

An abrasive includes abrasive grains, a solvent, and an additive. MnO2, Mn2O3, Mn3O4, MnO or a mixture thereof as the abrasive grains, H2O2 as the solvent, and HNO3, an organic acid, H2O2, etc., as the additive are employed. The abrasive is solidified with cooling, etc. The abrasive and the additive...

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1. Verfasser: KISHII SADAHIRO
Format: Patent
Sprache:eng
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Zusammenfassung:An abrasive includes abrasive grains, a solvent, and an additive. MnO2, Mn2O3, Mn3O4, MnO or a mixture thereof as the abrasive grains, H2O2 as the solvent, and HNO3, an organic acid, H2O2, etc., as the additive are employed. The abrasive is solidified with cooling, etc. The abrasive and the additive can be supplied to a polishing apparatus through separate routes.