COMPOSITION DE POLISSAGE DE PASTILLE DE SILICIUM ET PROCEDES APPARENTES

A chemical mechanical polishing composition for polishing silicon wafers is provided, containing: water; a cation according to formula (I); piperazine or a piperazine derivative according to formula (II); and, optionally, a pH adjusting agent; wherein the polishing composition exhibits a silicon rem...

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Bibliographische Detailangaben
Hauptverfasser: COOK LEE, MELBOURNE, PENTA NARESH, KUMAR
Format: Patent
Sprache:fre
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Zusammenfassung:A chemical mechanical polishing composition for polishing silicon wafers is provided, containing: water; a cation according to formula (I); piperazine or a piperazine derivative according to formula (II); and, optionally, a pH adjusting agent; wherein the polishing composition exhibits a silicon removal rate of at least 300 nm/min. Also provided are methods of making and using the chemical mechanical polishing composition.