COMPOSITION AND METHOD FOR POLYSILICON CMP

    公开(公告)号:US20210062043A1

    公开(公告)日:2021-03-04

    申请号:US17009961

    申请日:2020-09-02

    Abstract: A chemical mechanical polishing composition for polishing a substrate having a polysilicon layer includes a water based liquid carrier, a silica abrasive, an amino acid or guanidine derivative containing polysilicon polishing accelerator, and an alkali metal salt. The composition includes less than about 500 ppm tetraalkylammonium salt and has a pH in a range from about 10 to about 11.

    POLISHING COMPOSITION CONTAINING CERIA ABRASIVE
    2.
    发明申请
    POLISHING COMPOSITION CONTAINING CERIA ABRASIVE 有权
    包含CERIA磨砂的抛光组合物

    公开(公告)号:US20160257856A1

    公开(公告)日:2016-09-08

    申请号:US14639564

    申请日:2015-03-05

    Abstract: The invention provides a chemical-mechanical polishing composition including first abrasive particles, wherein the first abrasive particles are wet-process ceria particles, have a median particle size of about 40 nm to about 100 nm, are present in the polishing composition at a concentration of about 0.005 wt. % to about 2 wt. %, and have a particle size distribution of at least about 300 nm, a functionalized heterocycle, a pH-adjusting agent, and an aqueous carrier, and wherein the pH of the polishing composition is about 1 to about 6. The invention also provides a method of polishing a substrate, especially a substrate comprising a silicon oxide layer, with the polishing composition.

    Abstract translation: 本发明提供了一种化学机械抛光组合物,其包括第一磨料颗粒,其中第一磨料颗粒是湿法二氧化铈颗粒,其中值粒径为约40nm至约100nm,以抛光组合物的浓度存在于抛光组合物中 约0.005重量% %至约2wt。 %,并且具有至少约300nm的粒度分布,官能化杂环,pH调节剂和水性载体,并且其中抛光组合物的pH为约1至约6.本发明还提供了一种 将抛光组合物抛光衬底,特别是包含氧化硅层的衬底的方法。

    WET-PROCESS CERIA COMPOSITIONS FOR POLISHING SUBSTRATES, AND METHODS RELATED THERETO
    4.
    发明申请
    WET-PROCESS CERIA COMPOSITIONS FOR POLISHING SUBSTRATES, AND METHODS RELATED THERETO 有权
    用于抛光基材的湿法处理CERA组合物及其相关方法

    公开(公告)号:US20150102010A1

    公开(公告)日:2015-04-16

    申请号:US14050722

    申请日:2013-10-10

    Inventor: Brian REISS

    CPC classification number: C09G1/02 B24B1/00

    Abstract: Disclosed are a chemical-mechanical polishing composition and a method of polishing a substrate. The polishing composition comprises wet-process ceria abrasive particles, (e.g., about 120 nm or less), at least one alcohol amine, at least one surfactant having at least one hydrophilic moiety and at least one hydrophobic moiety, the surfactant having a molecular weight of about 1000, and water, wherein the polishing composition has a pH of about 6. The polishing composition can be used, e.g., to polish any suitable substrate, such as a polysilicon wafer used in the semiconductor industry.

    Abstract translation: 公开了化学机械抛光组合物和抛光基材的方法。 抛光组合物包括湿法二氧化铈磨料颗粒(例如,约120nm或更小),至少一种醇胺,至少一种具有至少一个亲水部分和至少一个疏水部分的表面活性剂,所述表面活性剂具有分子量 约1000,和水,其中抛光组合物具有约6的pH。抛光组合物可以用于例如抛光任何合适的基底,例如在半导体工业中使用的多晶硅晶片。

    SELECTIVE NITRIDE SLURRIES WITH IMPROVED STABILITY AND IMPROVED POLISHING CHARACTERISTICS
    5.
    发明申请
    SELECTIVE NITRIDE SLURRIES WITH IMPROVED STABILITY AND IMPROVED POLISHING CHARACTERISTICS 有权
    具有改进的稳定性和改进的抛光特性的选择性氮化物流

    公开(公告)号:US20170066102A1

    公开(公告)日:2017-03-09

    申请号:US14849066

    申请日:2015-09-09

    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,主要由...组成或由(a)约0.01wt。 %至约1wt。 湿法二氧化铈的百分比,(b)约10ppm至约200ppm的包含季氨基的阳离子聚合物,(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基材的方法。

    COMPOSITION AND METHOD FOR POLISHING BULK SILICON
    6.
    发明申请
    COMPOSITION AND METHOD FOR POLISHING BULK SILICON 有权
    抛光硅胶的组合物和方法

    公开(公告)号:US20150028254A1

    公开(公告)日:2015-01-29

    申请号:US14509081

    申请日:2014-10-08

    CPC classification number: C09G1/02 C09K3/1463 H01L21/02024

    Abstract: The invention provides a polishing composition comprising (a) silica, (b) one or more compounds that increases the removal rate of silicon, (c) one or more tetraalkylammonium salts, and (d) water, wherein the polishing composition has a pH of about 7 to about 11. The invention further provides a method of polishing a substrate with the polishing composition.

    Abstract translation: 本发明提供一种抛光组合物,其包含(a)二氧化硅,(b)一种或多种增加硅去除速率的化合物,(c)一种或多种四烷基铵盐和(d)水,其中抛光组合物的pH为 约7至约11.本发明还提供了用抛光组合物抛光基材的方法。

    COMPOSITION AND METHOD FOR POLISHING POLYSILICON
    7.
    发明申请
    COMPOSITION AND METHOD FOR POLISHING POLYSILICON 审中-公开
    用于抛光聚硅氧烷的组合物和方法

    公开(公告)号:US20140191155A1

    公开(公告)日:2014-07-10

    申请号:US14209110

    申请日:2014-03-13

    CPC classification number: C09G1/02 C09K3/1463 H01L21/02024 H01L21/3212

    Abstract: The invention provides a polishing composition comprising silica, an aminophosphonic acid, a polysaccharide, a tetraalkylammonium salt, a bicarbonate salt, an azole ring, and water, wherein the polishing composition has a pH of about 7 to about 11. The invention further provides a method of polishing a substrate with the polishing composition.

    Abstract translation: 本发明提供一种抛光组合物,其包含二氧化硅,氨基膦酸,多糖,四烷基铵盐,碳酸氢盐,唑环和水,其中抛光组合物的pH为约7至约11.本发明还提供了一种 用抛光组合物研磨衬底的方法。

    CMP COMPOSITIONS SELECTIVE FOR OXIDE AND NITRIDE WITH HIGH REMOVAL RATE AND LOW DEFECTIVITY
    8.
    发明申请
    CMP COMPOSITIONS SELECTIVE FOR OXIDE AND NITRIDE WITH HIGH REMOVAL RATE AND LOW DEFECTIVITY 有权
    选择具有高去除率和低缺陷度的氧化物和硝酸盐的CMP组合物

    公开(公告)号:US20130244432A1

    公开(公告)日:2013-09-19

    申请号:US13799680

    申请日:2013-03-13

    CPC classification number: H01L21/30625 C09G1/02 C09K3/1463 H01L21/31053

    Abstract: The invention relates to a chemical-mechanical polishing composition comprising a ceria abrasive, cations of one or more lanthanide metals, one or more nonionic polymers, water, and optionally one or more additives. The invention further relates to a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate comprises one or more of silicon oxide, silicon nitride, and polysilicon.

    Abstract translation: 本发明涉及一种化学机械抛光组合物,其包含二氧化铈磨料,一种或多种镧系元素金属的阳离子,一种或多种非离子聚合物,水和任选的一种或多种添加剂。 本发明还涉及用本发明的化学 - 机械抛光组合物对衬底进行化学机械抛光的方法。 通常,衬底包括氧化硅,氮化硅和多晶硅中的一种或多种。

    POLISHING COMPOSITION CONTAINING CERIA ABRASIVE
    9.
    发明申请
    POLISHING COMPOSITION CONTAINING CERIA ABRASIVE 有权
    包含CERIA磨砂的抛光组合物

    公开(公告)号:US20170044403A1

    公开(公告)日:2017-02-16

    申请号:US15338724

    申请日:2016-10-31

    Abstract: The invention provides a chemical-mechanical polishing composition including first abrasive particles, wherein the first abrasive particles are wet-process ceria particles, have a median particle size of about 40 nm to about 100 nm, are present in the polishing composition at a concentration of about 0.005 wt. % to about 2 wt. %, and have a particle size distribution of at least about 300 nm, a functionalized heterocycle, a pH-adjusting agent, and an aqueous carrier, and wherein the pH of the polishing composition is about 1 to about 6. The invention also provides a method of polishing a substrate, especially a substrate comprising a silicon oxide layer, with the polishing composition.

    Abstract translation: 本发明提供了一种化学机械抛光组合物,其包括第一磨料颗粒,其中第一磨料颗粒是湿法二氧化铈颗粒,其中值粒径为约40nm至约100nm,以抛光组合物的浓度存在于抛光组合物中 约0.005重量% %至约2wt。 %,并且具有至少约300nm的粒度分布,官能化杂环,pH调节剂和水性载体,并且其中抛光组合物的pH为约1至约6.本发明还提供了一种 将抛光组合物抛光衬底,特别是包含氧化硅层的衬底的方法。

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