Pulsed plasma for film deposition
    12.
    发明授权

    公开(公告)号:US10096466B2

    公开(公告)日:2018-10-09

    申请号:US15073444

    申请日:2016-03-17

    Abstract: Methods of processing a substrate are provided herein. In some embodiments, a method of processing a substrate disposed in a processing chamber includes: (a) depositing a layer of material on a substrate by exposing the substrate to a first reactive species generated from a remote plasma source and to a first precursor, wherein the first reactive species reacts with the first precursor; and (b) treating all, or substantially all, of the deposited layer of material by exposing the substrate to a plasma generated within the processing chamber from a second plasma source; wherein at least one of the remote plasma source or the second plasma source is pulsed to control periods of depositing and periods of treating.

    PULSED PLASMA FOR FILM DEPOSITION
    16.
    发明申请
    PULSED PLASMA FOR FILM DEPOSITION 审中-公开
    脉冲沉积的脉冲等离子体

    公开(公告)号:US20160276150A1

    公开(公告)日:2016-09-22

    申请号:US15073444

    申请日:2016-03-17

    Abstract: Methods of processing a substrate are provided herein. In some embodiments, a method of processing a substrate disposed in a processing chamber includes: (a) depositing a layer of material on a substrate by exposing the substrate to a first reactive species generated from a remote plasma source and to a first precursor, wherein the first reactive species reacts with the first precursor; and (b) treating all, or substantially all, of the deposited layer of material by exposing the substrate to a plasma generated within the processing chamber from a second plasma source; wherein at least one of the remote plasma source or the second plasma source is pulsed to control periods of depositing and periods of treating.

    Abstract translation: 本文提供了处理基板的方法。 在一些实施例中,处理设置在处理室中的衬底的方法包括:(a)通过将衬底暴露于从远程等离子体源产生的第一反应物质和第一前体而在衬底上沉积材料层,其中 第一活性物质与第一前体反应; 和(b)通过将衬底暴露于处理室内从等离子体源产生的等离子体处理所有或基本上全部沉积的材料层; 其中所述远程等离子体源或所述第二等离子体源中的至少一个被脉冲以控制沉积周期和处理周期。

    Halogen-free gas-phase silicon etch
    18.
    发明授权
    Halogen-free gas-phase silicon etch 有权
    无卤素气相硅蚀刻

    公开(公告)号:US09190290B2

    公开(公告)日:2015-11-17

    申请号:US14231180

    申请日:2014-03-31

    Abstract: A method of selectively dry etching silicon from patterned heterogeneous structures is described. The method optionally includes a plasma process prior to a remote plasma etch. The plasma process may use a biased plasma to treat some crystalline silicon (e.g. polysilicon or single crystal silicon) to form amorphous silicon. Subsequently, a remote plasma is formed using a hydrogen-containing precursor to form plasma effluents. The plasma effluents are passed into the substrate processing region to etch the amorphous silicon from the patterned substrate. By implementing biased plasma processes, the normally isotropic etch may be transformed into a directional (anisotropic) etch despite the remote nature of the plasma excitation during the etch process.

    Abstract translation: 描述了从图案化异质结构中选择性地干蚀刻硅的方法。 该方法可选地包括在远程等离子体蚀刻之前的等离子体处理。 等离子体工艺可以使用偏置等离子体来处理一些晶体硅(例如多晶硅或单晶硅)以形成非晶硅。 随后,使用含氢前体形成远程等离子体以形成等离子体流出物。 等离子体流出物流入衬底处理区域以从图案化衬底中蚀刻非晶硅。 通过实施偏压等离子体处理,尽管在蚀刻过程中等离子体激发的远端性质,但是通常的各向同性蚀刻可以转化为定向(各向异性)蚀刻。

    HALOGEN-FREE GAS-PHASE SILICON ETCH
    19.
    发明申请
    HALOGEN-FREE GAS-PHASE SILICON ETCH 有权
    无卤素气相硅蚀刻

    公开(公告)号:US20150279687A1

    公开(公告)日:2015-10-01

    申请号:US14231180

    申请日:2014-03-31

    Abstract: A method of selectively dry etching silicon from patterned heterogeneous structures is described. The method optionally includes a plasma process prior to a remote plasma etch. The plasma process may use a biased plasma to treat some crystalline silicon (e.g. polysilicon or single crystal silicon) to form amorphous silicon. Subsequently, a remote plasma is formed using a hydrogen-containing precursor to form plasma effluents. The plasma effluents are passed into the substrate processing region to etch the amorphous silicon from the patterned substrate. By implementing biased plasma processes, the normally isotropic etch may be transformed into a directional (anisotropic) etch despite the remote nature of the plasma excitation during the etch process.

    Abstract translation: 描述了从图案化异质结构中选择性地干蚀刻硅的方法。 该方法可选地包括在远程等离子体蚀刻之前的等离子体处理。 等离子体工艺可以使用偏置等离子体来处理一些晶体硅(例如多晶硅或单晶硅)以形成非晶硅。 随后,使用含氢前体形成远程等离子体以形成等离子体流出物。 等离子体流出物流入衬底处理区域以从图案化衬底中蚀刻非晶硅。 通过实施偏压等离子体处理,尽管在蚀刻过程中等离子体激发的远端性质,但是通常的各向同性蚀刻可以转化为定向(各向异性)蚀刻。

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