Cmp of copper/ruthenium/tantalum substrates

作者: Vlasta Brusic , Christopher C. Thompson , Paul M. Feeney , Renjie Zhou

DOI:

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摘要: The invention provides a chemical-mechanical polishing composition for substrate. comprises an abrasive, oxidizing agent, amphiphilic nonionic surfactant, calcium ion or magnesium ion, corrosion inhibitor copper, and water, wherein the pH of is 6 to 12. further method chemically-mechanically substrate with aforementioned composition.

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