COMPOSITION FOR POLISHING SURFACE MADE OF SILICON DIOXIDE

Composition for polishing surfaces comprises a lanthanide oxide abrasive, a polymeric dispersant, a polysaccharide gelling agent and water. An independent claim is also included for polishing a surface of a semiconductor component by applying a composition as above to the surface and, when a desired...

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Bibliographische Detailangaben
Hauptverfasser: KERN, GUENTER, DEBUS, HEIDRUN, BEHRENS, SVEN, HOLGER, LIU, YAQIAN
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Composition for polishing surfaces comprises a lanthanide oxide abrasive, a polymeric dispersant, a polysaccharide gelling agent and water. An independent claim is also included for polishing a surface of a semiconductor component by applying a composition as above to the surface and, when a desired planarization has been achieved, rinsing off abrasion products together with the composition.