POLISHING COMPOSITION AND METHOD FOR HIGH SILICON NITRIDE TO SILICON OXIDE REMOVAL RATE RATIOS
    2.
    发明申请
    POLISHING COMPOSITION AND METHOD FOR HIGH SILICON NITRIDE TO SILICON OXIDE REMOVAL RATE RATIOS 有权
    高硅氧化物去除氧化硅的抛光组合物和方法

    公开(公告)号:US20090137124A1

    公开(公告)日:2009-05-28

    申请号:US12364253

    申请日:2009-02-02

    IPC分类号: H01L21/304

    CPC分类号: H01L21/31053 C09G1/02

    摘要: The invention provides a chemical-mechanical polishing composition comprising a cationic abrasive, a cationic polymer, a carboxylic acid, and water. The invention further provides a method of chemically-mechanically polishing a substrate with the aforementioned polishing composition. The polishing composition exhibits selectivity for removal of silicon nitride over removal of silicon oxide.

    摘要翻译: 本发明提供了包含阳离子磨料,阳离子聚合物,羧酸和水的化学机械抛光组合物。 本发明还提供了用上述抛光组合物对衬底进行化学机械抛光的方法。 抛光组合物在除去氧化硅后显示出去除氮化硅的选择性。

    Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios
    3.
    发明授权
    Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios 有权
    高氮化硅到氧化硅去除速率比的抛光组合物和方法

    公开(公告)号:US07531105B2

    公开(公告)日:2009-05-12

    申请号:US11294853

    申请日:2005-12-06

    IPC分类号: C09K13/00

    摘要: The invention provides a chemical-mechanical polishing composition comprising a cationic abrasive, a cationic polymer, an inorganic halide salt, and an aqueous carrier. The invention further provides a method of chemically-mechanically polishing a substrate with the aforementioned polishing composition. The polishing composition exhibits selectivity for removal of silicon nitride over removal of silicon oxide and polysilicon.

    摘要翻译: 本发明提供了包含阳离子研磨剂,阳离子聚合物,无机卤化物盐和水性载体的化学机械抛光组合物。 本发明还提供了用上述抛光组合物对衬底进行化学机械抛光的方法。 抛光组合物在去除氧化硅和多晶硅时显示出去除氮化硅的选择性。

    Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios
    6.
    发明授权
    Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios 有权
    高氮化硅到氧化硅去除速率比的抛光组合物和方法

    公开(公告)号:US07504044B2

    公开(公告)日:2009-03-17

    申请号:US10982486

    申请日:2004-11-05

    IPC分类号: C09K13/00

    CPC分类号: H01L21/31053 C09G1/02

    摘要: The invention provides a chemical-mechanical polishing composition comprising a cationic abrasive, a cationic polymer, a carboxylic acid, and water. The invention further provides a method of chemically-mechanically polishing a substrate with the aforementioned polishing composition. The polishing composition exhibits selectivity for removal of silicon nitride over removal of silicon oxide.

    摘要翻译: 本发明提供了包含阳离子磨料,阳离子聚合物,羧酸和水的化学机械抛光组合物。 本发明还提供了用上述抛光组合物对衬底进行化学机械抛光的方法。 抛光组合物在除去氧化硅后显示出去除氮化硅的选择性。

    Method of polishing a silicon-containing dielectric
    7.
    发明授权
    Method of polishing a silicon-containing dielectric 有权
    抛光含硅电介质的方法

    公开(公告)号:US08486169B2

    公开(公告)日:2013-07-16

    申请号:US12239249

    申请日:2008-09-26

    IPC分类号: C09G1/02

    摘要: A chemical-mechanical polishing system comprising: (a) ceria abrasive having an average particle size of about 180 nm or less and a positive zeta potential, (b) a polishing additive bearing a functional group with a pKa of about 3 to about 9, wherein the polishing additive is selected from the group consisting of arylamines, aminoalcohols, aliphatic amines, heterocyclic amines, hydroxamic acids, aminocarboxylic acids, cyclic monocarboxylic acids, unsaturated monocarboxylic acids, substituted phenols, sulfonamides, thiols, salts thereof, and combinations thereof, and (c) a liquid carrier, wherein the chemical-mechanical polishing system has a pH of about 4 to about 6.

    摘要翻译: 一种化学机械抛光系统,包括:(a)具有约180nm或更小的平均粒度和正ζ电位的二氧化铈磨料,(b)具有pKa约3至约9的官能团的抛光添加剂, 其中所述抛光添加剂选自芳基胺,氨基醇,脂族胺,杂环胺,异羟肟酸,氨基羧酸,环状单羧酸,不饱和一元羧酸,取代的苯酚,磺酰胺,硫醇,其盐及其组合,以及 (c)液体载体,其中所述化学机械抛光系统具有约4至约6的pH。

    Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios
    8.
    发明授权
    Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios 有权
    高氮化硅到氧化硅去除速率比的抛光组合物和方法

    公开(公告)号:US08138091B2

    公开(公告)日:2012-03-20

    申请号:US12384266

    申请日:2009-04-02

    摘要: The invention provides a chemical-mechanical polishing composition comprising a cationic abrasive, a cationic polymer, an inorganic halide salt, and an aqueous carrier. The invention further provides a method of chemically-mechanically polishing a substrate with the aforementioned polishing composition. The polishing composition exhibits selectivity for removal of silicon nitride over removal of silicon oxide and polysilicon.

    摘要翻译: 本发明提供了包含阳离子研磨剂,阳离子聚合物,无机卤化物盐和水性载体的化学机械抛光组合物。 本发明还提供了用上述抛光组合物对衬底进行化学机械抛光的方法。 抛光组合物在去除氧化硅和多晶硅时显示出去除氮化硅的选择性。