Deposition Of N-Metal Films Comprising Aluminum Alloys
    1.
    发明申请
    Deposition Of N-Metal Films Comprising Aluminum Alloys 有权
    包含铝合金的N-金属膜的沉积

    公开(公告)号:US20140017408A1

    公开(公告)日:2014-01-16

    申请号:US13930194

    申请日:2013-06-28

    IPC分类号: C23C18/00

    摘要: Provided are methods of depositing films comprising alloys of aluminum, which may be suitable as N-metal films. Certain methods comprise exposing a substrate surface to a metal halide precursor comprising a metal halide selected from TiCl4, TaCl5 and HfCl4 to provide a metal halide at the substrate surface; purging metal halide; exposing the substrate surface to an alkyl aluminum precursor comprising one or more of dimethyaluminum hydride, diethylhydridoaluminum, methyldihydroaluminum, and an alkyl aluminum hydrides of the formula [(CxHy)3-aAlHa]n, wherein x has a value of 1 to 3, y has a value of 2x+2, a has a value of 1 to 2, and n has a value of 1 to 4; and exposing the substrate surface to an alane-containing precursor comprising one or more of dimethylethylamine alane, methylpyrrolidinealane, di(methylpyrolidine)alane, and trimethyl amine alane borane. Other methods comprise exposing a substrate surface to a metal precursor and trimethyl amine alane borane.

    摘要翻译: 提供了沉积包括铝合金的膜的方法,其可以适合作为N-金属膜。 某些方法包括将衬底表面暴露于包含选自TiCl 4,TaCl 5和HfCl 4的金属卤化物的金属卤化物前体,以在衬底表面提供金属卤化物; 清洗金属卤化物; 将基材表面暴露于包含一种或多种二氢化铝氢化物,二乙基氢化铝,甲基二氢铝和式[(C x H y)3-a AlHa] n的烷基铝氢化物的烷基铝前体,其中x具有1至3的值,y 具有2x + 2的值,a具有1至2的值,并且n具有1至4的值; 并将基材表面暴露于含有二甲基乙基胺丙烷,甲基吡咯烷烃,二(甲基吡咯烷)甲烷和三甲基胺丙烷硼烷中的一种或多种的含Alane的前体。 其他方法包括将基底表面暴露于金属前体和三甲基胺丙烷硼烷。

    Methods For Manufacturing Metal Gates
    2.
    发明申请
    Methods For Manufacturing Metal Gates 有权
    制造金属门的方法

    公开(公告)号:US20130295759A1

    公开(公告)日:2013-11-07

    申请号:US13865285

    申请日:2013-04-18

    IPC分类号: H01L29/66

    摘要: Provided are methods for making metal gates suitable for FinFET structures. The methods described herein generally involve forming a high-k dielectric material on a semiconductor substrate; depositing a high-k dielectric cap layer over the high-k dielectric material; depositing a PMOS work function layer having a positive work function value; depositing an NMOS work function layer; depositing an NMOS work function cap layer over the NMOS work function layer; removing at least a portion of the PMOS work function layer or at least a portion of the NMOS work function layer; and depositing a fill layer. Depositing a high-k dielectric cap layer, depositing a PMOS work function layer or depositing a NMOS work function cap layer may comprise atomic layer deposition of TiN, TiSiN, or TiAlN. Either PMOS or NMOS may be deposited first.

    摘要翻译: 提供了适用于FinFET结构的金属栅极的方法。 本文描述的方法通常涉及在半导体衬底上形成高k电介质材料; 在高k电介质材料上沉积高k电介质盖层; 沉积具有正功函数值的PMOS功函数层; 沉积NMOS工作功能层; 在NMOS工作功能层上沉积NMOS工作功能覆盖层; 去除所述PMOS功函数层的至少一部分或所述NMOS功函数层的至少一部分; 并沉积填充层。 沉积高k电介质盖层,沉积PMOS功函数层或沉积NMOS工作功能覆盖层可包括TiN,TiSiN或TiAlN的原子层沉积。 可以首先沉积PMOS或NMOS。

    Atomic Layer Deposition Methods For Metal Gate Electrodes
    3.
    发明申请
    Atomic Layer Deposition Methods For Metal Gate Electrodes 有权
    金属栅电极的原子层沉积方法

    公开(公告)号:US20130221445A1

    公开(公告)日:2013-08-29

    申请号:US13771236

    申请日:2013-02-20

    IPC分类号: H01L21/28 H01L29/49

    摘要: Provided are devices and methods utilizing TiN and/or TaN films doped with Si, Al, Ga, Ge, In and/or Hf. Such films may be used as a high-k dielectric cap layer, PMOS work function layer, aluminum barrier layer, and/or fluorine barrier. These TiSiN, TaSiN, TiAlN, TaAlN, TiGaN, TaGaN, TiGeN, TaGeN, TiInN, TaInN, TiHfN or TaHfN films can be used where TiN and/or TaN films are traditionally used, or they may be used in conjunction with TiN and/or TaN.

    摘要翻译: 提供了利用掺杂有Si,Al,Ga,Ge,In和/或Hf的TiN和/或TaN膜的器件和方法。 这种膜可以用作高k电介质盖层,PMOS功函数层,铝屏障层和/或氟屏障。 TiNN,TaSiN,TiAlN,TaAlN,TiGaN,TaGaN,TiGeN,TaGeN,TiInN,TaInN,TiHfN或TaHfN膜可以用于传统上使用TiN和/或TaN膜的场合,或者它们可以与TiN和/ 或TaN。

    Methods for forming a contact metal layer in semiconductor devices
    6.
    发明授权
    Methods for forming a contact metal layer in semiconductor devices 失效
    在半导体器件中形成接触金属层的方法

    公开(公告)号:US08586479B2

    公开(公告)日:2013-11-19

    申请号:US13356002

    申请日:2012-01-23

    IPC分类号: H01L21/44

    摘要: Methods for forming a contact metal layer in a contact structure in semiconductor devices are provided in the present invention. In one embodiment, a method for depositing a contact metal layer for forming a contact structure in a semiconductor device includes pulsing a deposition precursor gas mixture to a surface of a substrate disposed in a metal deposition processing chamber, pulsing a purge gas mixture to an edge of the substrate, wherein the purge gas mixture includes at least a hydrogen containing gas and an inert gas, and forming a contact metal layer on the substrate from the first deposition precursor gas mixture.

    摘要翻译: 在本发明中提供了在半导体器件的接触结构中形成接触金属层的方法。 在一个实施例中,用于在半导体器件中沉积用于形成接触结构的接触金属层的方法包括:将沉积前体气体混合物脉动到设置在金属沉积处理室中的衬底的表面,将清洗气体混合物脉冲到边缘 其中所述吹扫气体混合物至少包含含氢气体和惰性气体,并且从所述第一沉积前体气体混合物在所述衬底上形成接触金属层。

    METHODS FOR FORMING A CONTACT METAL LAYER IN SEMICONDUCTOR DEVICES
    8.
    发明申请
    METHODS FOR FORMING A CONTACT METAL LAYER IN SEMICONDUCTOR DEVICES 失效
    在半导体器件中形成接触金属层的方法

    公开(公告)号:US20130189840A1

    公开(公告)日:2013-07-25

    申请号:US13356002

    申请日:2012-01-23

    IPC分类号: H01L21/285

    摘要: Methods for forming a contact metal layer in a contact structure in semiconductor devices are provided in the present invention. In one embodiment, a method for depositing a contact metal layer for forming a contact structure in a semiconductor device includes pulsing a deposition precursor gas mixture to a surface of a substrate disposed in a metal deposition processing chamber, pulsing a purge gas mixture to an edge of the substrate, wherein the purge gas mixture includes at least a hydrogen containing gas and an inert gas, and forming a contact metal layer on the substrate from the first deposition precursor gas mixture.

    摘要翻译: 在本发明中提供了在半导体器件的接触结构中形成接触金属层的方法。 在一个实施例中,用于在半导体器件中沉积用于形成接触结构的接触金属层的方法包括:将沉积前体气体混合物脉动到设置在金属沉积处理室中的衬底的表面,将清洗气体混合物脉冲到边缘 其中所述吹扫气体混合物至少包含含氢气体和惰性气体,并且从所述第一沉积前体气体混合物在所述衬底上形成接触金属层。

    Metal gate structures and methods for forming thereof
    10.
    发明授权
    Metal gate structures and methods for forming thereof 有权
    金属门结构及其形成方法

    公开(公告)号:US08637390B2

    公开(公告)日:2014-01-28

    申请号:US13116794

    申请日:2011-05-26

    IPC分类号: H01L21/4763

    摘要: Metal gate structures and methods for forming thereof are provided herein. In some embodiments, a method for forming a metal gate structure on a substrate having a feature formed in a high k dielectric layer may include depositing a first layer within the feature atop the dielectric layer; depositing a second layer comprising cobalt or nickel within the feature atop the first layer; and depositing a third layer comprising a metal within the feature atop the second layer to fill the feature, wherein at least one of the first or second layers forms a wetting layer to form a nucleation layer for a subsequently deposited layer, wherein one of the first, second, or third layers forms a work function layer, and wherein the third layer forms a gate electrode.

    摘要翻译: 本文提供了金属门结构及其形成方法。 在一些实施例中,在具有形成在高k电介质层中的特征的衬底上形成金属栅极结构的方法可以包括在电介质层顶部的特征内沉积第一层; 在所述特征内在所述第一层顶部沉积包含钴或镍的第二层; 以及在第二层顶部沉积包括特征内的金属的第三层以填充该特征,其中第一层或第二层中的至少一层形成润湿层以形成后续沉积层的成核层,其中第一层 第二层或第三层形成功函数层,并且其中第三层形成栅电极。