CMP polishing liquid and polishing method

One aspect of the present disclosure provides a CMP polishing liquid that comprises abrasive grains and a cationic polymer, wherein the cationic polymer has a main chain containing a nitrogen atom and a carbon atom and a hydroxyl group bonded to the carbon atom. Further, this CMP polishing liquid ma...

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Bibliographic Details
Main Authors OTSUKA, YUYA, WU, JENNA, OOUCHI, MAYUMI, MINAMI, HISATAKA, KOBAYASHI, SHINGO, TAKAHASHI, HISATO
Format Patent
LanguageChinese
English
Published 16.10.2021
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Summary:One aspect of the present disclosure provides a CMP polishing liquid that comprises abrasive grains and a cationic polymer, wherein the cationic polymer has a main chain containing a nitrogen atom and a carbon atom and a hydroxyl group bonded to the carbon atom. Further, this CMP polishing liquid may further comprise at least one cyclic compound selected from the group consisting of an amino group-containing aromatic compound and a nitrogen-containing heterocyclic compound. Another aspect of the present disclosure provides a polishing method that comprises a step for polishing a target material with the use of the CMP polishing liquid.
Bibliography:Application Number: TW202110105256