CMP COMPOSITION FOR POLISHING HARD MATERIALS

A slurry for chemical mechanical polishing (CMP) includes an aqueous liquid carrier, an oxygen and anion containing transition metal compound or polyatomic cations including a transition metal and oxygen or hydrogen, and a per-based oxidizer. The anion for the oxygen and anion containing transition...

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Bibliographic Details
Main Authors SINGH, Rajiv K, SINGH, Deepika, DE, Sunny, GINDE, Chaitanya Dnyanesh, VERMA, Aditya Dilip
Format Patent
LanguageEnglish
French
German
Published 07.12.2022
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Summary:A slurry for chemical mechanical polishing (CMP) includes an aqueous liquid carrier, an oxygen and anion containing transition metal compound or polyatomic cations including a transition metal and oxygen or hydrogen, and a per-based oxidizer. The anion for the oxygen and anion containing transition metal compound can include oxynitrate, oxychloride, oxyhydroxide, oxyacetate, oxysulfide, or oxysulfate. The per-based oxidizer can be a permanganate compound.
Bibliography:Application Number: EP20210748351