N2 based plasma treatment and ash for HK metal gate protection
    21.
    发明授权
    N2 based plasma treatment and ash for HK metal gate protection 有权
    基于N2的等离子体处理和灰渣用于HK金属栅极保护

    公开(公告)号:US08791001B2

    公开(公告)日:2014-07-29

    申请号:US12400395

    申请日:2009-03-09

    IPC分类号: H01L21/335 H01L21/283

    CPC分类号: H01L21/28123 H01L21/31138

    摘要: The present disclosure provides a method for making a semiconductor device. The method includes forming a first material layer on substrate; forming a patterned photoresist layer on the first material layer; applying an etching process to the first material layer using the patterned photoresist layer as a mask; and applying a nitrogen-containing plasma to the substrate to remove the patterned photoresist layer.

    摘要翻译: 本公开提供了制造半导体器件的方法。 该方法包括在衬底上形成第一材料层; 在所述第一材料层上形成图案化的光致抗蚀剂层; 使用图案化的光致抗蚀剂层作为掩模对第一材料层施加蚀刻工艺; 以及将氮含量的等离子体施加到衬底上以除去图案化的光致抗蚀剂层。

    Method to integrate gate etching as all-in-one process for high K metal gate
    22.
    发明授权
    Method to integrate gate etching as all-in-one process for high K metal gate 有权
    将栅极蚀刻集成为高K金属栅极的一体化工艺的方法

    公开(公告)号:US08304349B2

    公开(公告)日:2012-11-06

    申请号:US12367399

    申请日:2009-02-06

    IPC分类号: H01L21/302

    摘要: The present disclosure provides a method for making metal gate stacks of a semiconductor device. The method includes applying a first dry etching process to a semiconductor substrate in an etch chamber through openings of a patterned mask layer defining gate regions, removing a polysilicon layer and a metal gate layer on the semiconductor substrate; applying a H2O steam to the semiconductor substrate in the etch chamber, removing a capping layer on the semiconductor substrate; applying a second dry etching process to the semiconductor substrate in the etch chamber, removing a high k dielectric material layer; and applying a wet etching process to the semiconductor substrate to remove polymeric residue.

    摘要翻译: 本公开提供了制造半导体器件的金属栅叠层的方法。 该方法包括通过限定栅极区域的图案化掩模层的开口,去除半导体衬底上的多晶硅层和金属栅极层,在蚀刻室中对半导体衬底施加第一干蚀刻工艺; 将H 2 O蒸汽施加到蚀刻室中的半导体衬底,去除半导体衬底上的覆盖层; 对蚀刻室中的半导体衬底施加第二干蚀刻工艺,去除高k电介质材料层; 以及对半导体衬底施加湿蚀刻工艺以除去聚合物残渣。

    NOVEL SOLUTION FOR POLYMER AND CAPPING LAYER REMOVING WITH WET DIPPING IN HK METAL GATE ETCHING PROCESS
    23.
    发明申请
    NOVEL SOLUTION FOR POLYMER AND CAPPING LAYER REMOVING WITH WET DIPPING IN HK METAL GATE ETCHING PROCESS 有权
    用于聚合物和封盖层的新颖解决方案在HK METAL GATE ETCHING PROCESS

    公开(公告)号:US20100062590A1

    公开(公告)日:2010-03-11

    申请号:US12338615

    申请日:2008-12-18

    IPC分类号: H01L21/4763 H01L21/465

    摘要: The present disclosure provides a method for making metal gate stacks of a semiconductor device. The method includes applying a first etching process to the substrate to remove a polysilicon layer and a metal gate layer on the substrate; applying a diluted hydrofluoric acid (HF) to the substrate to remove polymeric residue; thereafter applying to the substrate with a cleaning solution including hydrochloride (HCl), hydrogen peroxide (H2O2) and water (H2O); applying a wet etching process diluted hydrochloride (HCl) to the substrate to remove a capping layer; and applying to the substrate with a second etching process to remove a high k dielectric material layer.

    摘要翻译: 本公开提供了制造半导体器件的金属栅叠层的方法。 该方法包括对衬底施加第一蚀刻工艺以去除衬底上的多晶硅层和金属栅极层; 将稀释的氢氟酸(HF)施加到基底以除去聚合物残渣; 然后用包括盐酸盐(HCl),过氧化氢(H 2 O 2)和水(H 2 O)的清洗溶液施加到基材上; 将稀释的盐酸盐(HCl)的湿蚀刻工艺施加到基底上以去除覆盖层; 以及通过第二蚀刻工艺施加到所述衬底以去除高k电介质材料层。

    Methods of fabricating high-k metal gate devices
    25.
    发明授权
    Methods of fabricating high-k metal gate devices 有权
    制造高k金属栅极器件的方法

    公开(公告)号:US08148249B2

    公开(公告)日:2012-04-03

    申请号:US12405965

    申请日:2009-03-17

    IPC分类号: H01L21/00

    摘要: Methods of fabricating semiconductor devices with high-k/metal gate features are disclosed. In some instances, methods of fabricating semiconductor devices with high-k/metal gate features are disclosed that prevent or reduce high-k/metal gate contamination of non-high-k/metal gate wafers and production tools. In some embodiments, the method comprises forming an interfacial layer over a semiconductor substrate on a front side of the substrate; forming a high-k dielectric layer and a capping layer over the interfacial layer; forming a metal layer over the high-k and capping layers; forming a polysilicon layer over the metal layer; and forming a dielectric layer over the semiconductor substrate on a back side of the substrate.

    摘要翻译: 公开了制造具有高k /金属栅极特征的半导体器件的方法。 在一些情况下,公开了制造具有高k /金属栅极特征的半导体器件的方法,其防止或减少非高k /金属栅极晶片和生产工具的高k /金属栅极污染。 在一些实施例中,该方法包括在衬底的前侧上的半导体衬底上形成界面层; 在界面层上形成高k电介质层和覆盖层; 在高k和覆盖层上形成金属层; 在所述金属层上形成多晶硅层; 以及在所述衬底的背面上在所述半导体衬底上形成介电层。

    METAL GATE ELECTRODE OF A SEMICONDUCTOR DEVICE
    27.
    发明申请
    METAL GATE ELECTRODE OF A SEMICONDUCTOR DEVICE 有权
    半导体器件的金属栅极电极

    公开(公告)号:US20130320410A1

    公开(公告)日:2013-12-05

    申请号:US13484047

    申请日:2012-05-30

    IPC分类号: H01L29/78 H01L21/283

    摘要: The invention relates to integrated circuit fabrication, and more particularly to a metal gate electrode. An exemplary structure for a semiconductor device comprises a substrate comprising a major surface; a first rectangular gate electrode on the major surface comprising a first layer of multi-layer material; a first dielectric material adjacent to one side of the first rectangular gate electrode; and a second dielectric material adjacent to the other 3 sides of the first rectangular gate electrode, wherein the first dielectric material and the second dielectric material collectively surround the first rectangular gate electrode.

    摘要翻译: 本发明涉及集成电路制造,更具体地涉及金属栅电极。 半导体器件的示例性结构包括:包括主表面的衬底; 主表面上的第一矩形栅电极,包括第一层多层材料; 与第一矩形栅电极的一侧相邻的第一电介质材料; 以及与所述第一矩形栅电极的其他3侧相邻的第二电介质材料,其中所述第一电介质材料和所述第二电介质材料共同围绕所述第一矩形栅电极。

    Methods of fabricating high-K metal gate devices
    28.
    发明授权
    Methods of fabricating high-K metal gate devices 有权
    制造高K金属栅极器件的方法

    公开(公告)号:US08551837B2

    公开(公告)日:2013-10-08

    申请号:US13408016

    申请日:2012-02-29

    IPC分类号: H01L21/8242

    摘要: Methods of fabricating semiconductor devices with high-k/metal gate features are disclosed. In some instances, methods of fabricating semiconductor devices with high-k/metal gate features are disclosed that prevent or reduce high-k/metal gate contamination of non-high-k/metal gate wafers and production tools. In some embodiments, the method comprises forming an interfacial layer over a semiconductor substrate on a front side of the substrate; forming a high-k dielectric layer and a capping layer over the interfacial layer; forming a metal layer over the high-k and capping layers; forming a polysilicon layer over the metal layer; and forming a dielectric layer over the semiconductor substrate on a back side of the substrate.

    摘要翻译: 公开了制造具有高k /金属栅极特征的半导体器件的方法。 在一些情况下,公开了制造具有高k /金属栅极特征的半导体器件的方法,其防止或减少非高k /金属栅极晶片和生产工具的高k /金属栅极污染。 在一些实施例中,该方法包括在衬底的前侧上的半导体衬底上形成界面层; 在界面层上形成高k电介质层和覆盖层; 在高k和覆盖层上形成金属层; 在所述金属层上形成多晶硅层; 以及在所述衬底的背面上在所述半导体衬底上形成介电层。

    SEMICONDUCTOR STRUCTURE HAVING A POLYSILICON STRUCTURE AND METHOD OF FORMING SAME
    29.
    发明申请
    SEMICONDUCTOR STRUCTURE HAVING A POLYSILICON STRUCTURE AND METHOD OF FORMING SAME 有权
    具有多晶硅结构的半导体结构及其形成方法

    公开(公告)号:US20130146993A1

    公开(公告)日:2013-06-13

    申请号:US13314462

    申请日:2011-12-08

    IPC分类号: H01L29/78 H01L21/28

    摘要: The present application discloses a method of forming a semiconductor structure. In at least one embodiment, the method includes forming a polysilicon layer over a substrate. A mask layer is formed over the polysilicon layer. The mask layer is patterned to form a patterned mask layer. A polysilicon structure is formed by etching the polysilicon layer using the patterned mask layer as a mask. The polysilicon structure has an upper surface and a lower surface, and the etching of the polysilicon layer is arranged to cause a width of the upper surface of the polysilicon structure greater than that of the lower surface of the polysilicon structure.

    摘要翻译: 本申请公开了一种形成半导体结构的方法。 在至少一个实施例中,该方法包括在衬底上形成多晶硅层。 在多晶硅层上形成掩模层。 图案化掩模层以形成图案化掩模层。 通过使用图案化掩模层作为掩模蚀刻多晶硅层来形成多晶硅结构。 多晶硅结构具有上表面和下表面,并且多晶硅层的蚀刻被布置成使得多晶硅结构的上表面的宽度大于多晶硅结构的下表面的宽度。