Abrasive media and aqueous slurries for chemical mechanical polishing and planarization

Abstract

Non-spherical silica particles having nodular morphology for use as an abrasive media in chemical mechanical polishing are disclosed. Also disclosed are aqueous slurries of monodispersed non-spherical nodular shaped particles having mean effective diameters between about 100 and 300 nanometers for chemical mechanical polishing. In addition aqueous slurries for the chemical mechanical polishing and planarization of oxide dielectric, metal, and metal/metallic compound interlayers of integrated circuits are disclosed.

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