Silicon carbonitride polishing composition and method

A chemical mechanical polishing composition for polishing a substrate including a silicon carbonitride layer, the composition comprising, consisting essentially of, or consisting of a water based liquid carrier, anionic colloidal silica particles dispersed in the liquid carrier, a topography control...

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Bibliographische Detailangaben
Hauptverfasser: IVANOV, ROMAN A, LU, LUNG-TAI, REISS, BRIAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A chemical mechanical polishing composition for polishing a substrate including a silicon carbonitride layer, the composition comprising, consisting essentially of, or consisting of a water based liquid carrier, anionic colloidal silica particles dispersed in the liquid carrier, a topography control agent, and having a pH in a range from about 2 to about 7.