Method for manufacturing substrate

A method for manufacturing a substrate, a polishing process for a substrate, a method of reducing microwaviness for a substrate, each including the step of polishing a substrate to be polished with a polishing composition containing an abrasive and water with a polishing pad of which surface member...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: OSHIMA YOSHIAKI,NISHIMOTO KAZUHIKO,SUENAGA KENICHI,HAGIHARA TOSHIYA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:A method for manufacturing a substrate, a polishing process for a substrate, a method of reducing microwaviness for a substrate, each including the step of polishing a substrate to be polished with a polishing composition containing an abrasive and water with a polishing pad of which surface member has an average pore size of from 1 to 35 mum; and a method of reducing scratches for a substrate, comprising the step of polishing a substrate to be polished with a polishing composition comprising an abrasive, an oxidizing agent, an acid, a salt thereof, or a mixture thereof and water, with a polishing pad of which surface member has an average pore size of from 1 to 35 mum. The method for manufacturing a substrate can be used for finish polishing of a memory hard disk or for polishing of a semiconductor element.