WET PROCESS CERIA COMPOSITIONS FOR POLISHING SUBSTRATES, AND METHODS RELATED THERETO

Disclosed are a chemical-mechanical polishing composition and a method of polishing a substrate. The polishing composition comprises low average particle size (e.g., 30 nm or less) wet-process ceria abrasive particles, at least one alcohol amine, and water, wherein said polishing composition has a p...

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Bibliographische Detailangaben
Hauptverfasser: SHEKHAR, Sairam, DYSARD, Jeffrey, REISS, Brian
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Disclosed are a chemical-mechanical polishing composition and a method of polishing a substrate. The polishing composition comprises low average particle size (e.g., 30 nm or less) wet-process ceria abrasive particles, at least one alcohol amine, and water, wherein said polishing composition has a pH of about 6. The polishing composition can be used, e.g., to polish any suitable substrate, such as a polysilicon wafer used in the semiconductor industry.