POLISHING COMPOSITIONS AND METHODS OF USE THEREOF

A polishing composition includes an abrasive; a pH adjuster; a barrier film removal rate enhancer; a low-k removal rate inhibitor; an azole-containing corrosion inhibitor; and a hard mask removal rate enhancer. A method of polishing a substrate includes the steps of: applying the polishing compositi...

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Bibliographische Detailangaben
Hauptverfasser: WEN, Liqing, LIN, Tawei, LIANG, Yannan, HU, Bin, HUANG, Ting-kai
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A polishing composition includes an abrasive; a pH adjuster; a barrier film removal rate enhancer; a low-k removal rate inhibitor; an azole-containing corrosion inhibitor; and a hard mask removal rate enhancer. A method of polishing a substrate includes the steps of: applying the polishing composition described herein to a surface of a substrate, wherein the surface comprises ruthenium or a hard mask material; and bringing a pad into contact with the surface of the substrate and moving the pad in relation to the substrate.