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DISPERSION FOR THE CHEMICAL-MECHANICAL POLISHING OF METAL SURFACES CONTAINING METAL OXIDE PARTICLES AND A CATIONIC POLYMER
DISPERSION FOR THE CHEMICAL-MECHANICAL POLISHING OF METAL SURFACES CONTAINING METAL OXIDE PARTICLES AND A CATIONIC POLYMER
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机译:含金属氧化物和阳离子聚合物的金属表面化学机械抛光的分散
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摘要
Aqueous dispersion for the chemical-mechanical polishing of metal surfaces, containing a metal oxide powder and a cationic, surface-active polymer, wherein the metal oxide powder is silicon dioxide, aluminium oxide or a mixed oxide of silicon dioxide and aluminium oxide, and the cationic, surface-active polymer is a polyallyl amine or polydiallyl amine dissolved in the dispersion and having a weightaverage molecular weight of less than 100,000 g/mol. The dispersion can be used for the chemical-mechanical polishing of metallic layers and of metallic films, which are applied to an insulating barrier layer.
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机译:用于金属表面化学机械抛光的水分散液,其包含金属氧化物粉末和阳离子表面活性聚合物,其中金属氧化物粉末为二氧化硅,氧化铝或二氧化硅和氧化铝的混合氧化物,以及阳离子表面活性聚合物是溶解在分散体中的重均分子量小于100,000 g / mol的聚烯丙基胺或聚二烯丙基胺。该分散体可用于对施加到绝缘阻挡层的金属层和金属膜进行化学机械抛光。
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