CMP COMPOSITONS EXHIBITING REDUCED DISHING IN STI WAFER POLISHING
    1.
    发明申请
    CMP COMPOSITONS EXHIBITING REDUCED DISHING IN STI WAFER POLISHING 审中-公开
    CMP组合物在STI波浪抛光中展示了减少的破碎

    公开(公告)号:WO2016094028A1

    公开(公告)日:2016-06-16

    申请号:PCT/US2015/060522

    申请日:2015-11-13

    Abstract: The invention provides a chemical-mechanical polishing composition containing abrasive, an ionic polymer of formula (I) wherein X 1 and X 2 , Z 1 and Z 2 , R 1 , R 2 , R 3 and R 4 , and n are as defined herein, a polyhydroxy aromatic compound, a polyvinyl alcohol, and water, wherein the polishing composition has a pH of about 1 to about 4.5. The invention further provides a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate contains silicon oxide, silicon nitride, and/or polysilicon.

    Abstract translation: 本发明提供一种含有研磨剂,式(I)的离子聚合物的化学机械抛光组合物,其中X1和X2,Z1和Z2,R1,R2,R3和R4和n如本文所定义,多羟基芳族化合物, 聚乙烯醇和水,其中抛光组合物的pH为约1至约4.5。 本发明还提供了利用本发明的化学 - 机械抛光组合物对衬底进行化学机械抛光的方法。 通常,衬底含有氧化硅,氮化硅和/或多晶硅。

    SELECTIVE NITRIDE SLURRIES WITH IMPROVED STABILITY AND IMPROVED POLISHING CHARACTERISTICS
    3.
    发明申请
    SELECTIVE NITRIDE SLURRIES WITH IMPROVED STABILITY AND IMPROVED POLISHING CHARACTERISTICS 审中-公开
    具有改进的稳定性和改进的抛光特性的选择性氮化物

    公开(公告)号:WO2017044340A1

    公开(公告)日:2017-03-16

    申请号:PCT/US2016/049299

    申请日:2016-08-29

    CPC classification number: B24B37/044 C08K2003/2213 C09G1/02

    Abstract: The invention provides a chemical mechanical polishing composition comprising, consisting essentially of, or consisting of (a) about 0.01 wt.% to about 1 wt.% of wet process ceria, (b) about 10 ppm to about 200 ppm of a cationic polymer comprising quaternary amino groups, (c) about 10 ppm to about 2000 ppm of a non fluorinated nonionic surfactant, (d) an amino acid, and (e) water, wherein the polishing composition has a pH of about 3 to about 8. The invention further provides a method of polishing a substrate with the polishing composition.

    Abstract translation: 本发明提供一种化学机械抛光组合物,其包含(a)约0.01重量%至约1重量%的湿法氧化铈,(b)约10ppm至约200ppm的阳离子聚合物 包括季氨基,(c)约10ppm至约2000ppm的非氟化非离子表面活性剂,(d)氨基酸和(e)水,其中所述抛光组合物具有约3至约8的pH。 本发明还提供了用抛光组合物抛光衬底的方法。

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