Polishing composition, production method therefor, and polishing method and production method for substrate, using polishing composition

The present invention provides a polishing composition with which it is possible to decrease a level difference to be unintentionally generated between dissimilar materials and a level difference to be unintentionally generated between coarse and dense portions of a pattern. The present invention re...

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Bibliographic Details
Main Authors Sakabe, Koichi, Yarita, Satoru, Komoto, Kenichi, Yoshizaki, Yukinobu
Format Patent
LanguageEnglish
Published 09.05.2023
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Summary:The present invention provides a polishing composition with which it is possible to decrease a level difference to be unintentionally generated between dissimilar materials and a level difference to be unintentionally generated between coarse and dense portions of a pattern. The present invention relates to a polishing composition which contains abrasive grains having an average primary particle size of 5 to 50 nm, a level difference modifier containing a compound with a specific structure, having an aromatic ring and a sulfo group or a salt group thereof which is directly bonded to this aromatic ring, and a dispersing medium and of which the pH is less than 7.
Bibliography:Application Number: US201816492835