CMP SLURRY COMPOSITION FOR POLISHING TUNGSTEN PATTERN WAFER AND METHOD FOR POLISHING TUNGSTEN PATTERN WAFER USING THE SAME

The present invention relates to a CMP slurry composition for polishing a tungsten pattern wafer, comprising: at least one of a polar solvent and a non-polar solvent; an abrasive; at least one of a compound represented by chemical formula 1 and chemical formula 2; and tetrabutylammonium hydroxide, a...

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Bibliographic Details
Main Authors PARK TAE WON, KIM WON JUNG, LEE EUI RANG, LEE JI HO
Format Patent
LanguageEnglish
Korean
Published 07.10.2020
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Summary:The present invention relates to a CMP slurry composition for polishing a tungsten pattern wafer, comprising: at least one of a polar solvent and a non-polar solvent; an abrasive; at least one of a compound represented by chemical formula 1 and chemical formula 2; and tetrabutylammonium hydroxide, and to a method for polishing a tungsten pattern wafer. In addition, the CMP slurry composition for polishing a tungsten pattern wafer can increase flatness. 극성 용매, 비극성 용매 중 1종 이상; 연마제; 화학식 1의 화합물, 화학식 2의 화합물 중 1종 이상; 테트라부틸암모늄히드록시드를 포함하는 것인, 텅스텐 패턴 웨이퍼 연마용 CMP 슬러리 조성물 및 이를 이용한 텅스텐 패턴 웨이퍼 연마 방법이 제공된다.
Bibliography:Application Number: KR20190033745