N2 BASED PLASMA TREATMENT AND ASH FOR HK METAL GATE PROTECTION
    11.
    发明申请
    N2 BASED PLASMA TREATMENT AND ASH FOR HK METAL GATE PROTECTION 有权
    N2基础等离子体处理和ASH用于HK金属门保护

    公开(公告)号:US20100062591A1

    公开(公告)日:2010-03-11

    申请号:US12400395

    申请日:2009-03-09

    IPC分类号: H01L21/28

    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。

    METHODS OF FABRICATING HIGH-K METAL GATE DEVICES
    12.
    发明申请
    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:US20120164822A1

    公开(公告)日:2012-06-28

    申请号:US13408016

    申请日:2012-02-29

    IPC分类号: H01L21/28

    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。

    METHOD OF INTEGRATING HIGH-K/METAL GATE IN CMOS PROCESS FLOW
    13.
    发明申请
    METHOD OF INTEGRATING HIGH-K/METAL GATE IN CMOS PROCESS FLOW 有权
    在CMOS工艺流程中集成高K /金属栅的方法

    公开(公告)号:US20100041223A1

    公开(公告)日:2010-02-18

    申请号:US12478509

    申请日:2009-06-04

    IPC分类号: H01L21/28

    摘要: The present disclosure provides a method of fabricating a semiconductor device. The method includes providing a semiconductor substrate having a first active region and a second active region, forming a high-k dielectric layer over the semiconductor substrate, forming a first metal layer over the high-k dielectric layer, the first metal layer having a first work function, removing a portion of the first metal layer in the second active region, thereafter, forming a semiconductor layer over the first metal layer in the first active region and over the partially removed first metal layer in the second active region, forming a first gate stack in the first active region and a second gate stack in the second active region, removing the semiconductor layer from the first gate stack and from the second gate stack, and forming a second metal layer on the first metal layer in the first gate stack and on the partially removed first metal layer in the second gate stack, the second metal layer having a second work function.

    摘要翻译: 本公开提供了制造半导体器件的方法。 该方法包括提供具有第一有源区和第二有源区的半导体衬底,在半导体衬底上形成高k电介质层,在高k电介质层上形成第一金属层,第一金属层具有第一 在第二有源区中除去第一金属层的一部分,然后在第一有源区中的第一金属层上方和在第二有源区中的部分去除的第一金属层上方形成半导体层,形成第一 在第一有源区中的栅极堆叠和第二有源区中的第二栅极堆叠,从第一栅极堆叠和第二栅极堆叠中去除半导体层,以及在第一栅极堆叠中的第一金属层上形成第二金属层 并且在第二栅极堆叠中部分去除的第一金属层上,第二金属层具有第二功函数。

    Method to integrate gate etching as all-in-one process for high K metal gate
    14.
    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
    15.
    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。

    Integrated high-K/metal gate in CMOS process flow
    16.
    发明授权
    Integrated high-K/metal gate in CMOS process flow 有权
    CMOS工艺流程中集成的高K /金属栅极

    公开(公告)号:US08383502B2

    公开(公告)日:2013-02-26

    申请号:US13186572

    申请日:2011-07-20

    IPC分类号: H01L21/3205 H01L21/4763

    摘要: A method of fabricating a semiconductor device includes providing a semiconductor substrate having a first active region and a second active region, forming a first metal layer over a high-k dielectric layer, removing at least a portion of the first metal layer in the second active region, forming a second metal layer on first metal layer in the first active region and over the high-k dielectric layer in the second active region, and thereafter, forming a silicon layer over the second metal layer. The method further includes removing the silicon layer from the first gate stack thereby forming a first trench and from the second gate stack thereby forming a second trench, and forming a third metal layer over the second metal layer in the first trench and over the second metal layer in the second trench.

    摘要翻译: 制造半导体器件的方法包括提供具有第一有源区和第二有源区的半导体衬底,在高k电介质层上形成第一金属层,去除第二有源区中的第一金属层的至少一部分 在第一有源区的第一金属层上形成第二金属层,在第二有源区的高k电介质层上形成第二金属层,然后在第二金属层上形成硅层。 该方法还包括从第一栅极堆叠中去除硅层,从而形成第一沟槽并从第二栅极堆叠形成第二沟槽,并且在第一沟槽中的第二金属层上方形成第三金属层,并在第二金属 在第二沟槽中。

    Integrated High-K/Metal Gate in CMOS Process Flow
    17.
    发明申请
    Integrated High-K/Metal Gate in CMOS Process Flow 有权
    CMOS工艺流程中集成的高K /金属门

    公开(公告)号:US20110275212A1

    公开(公告)日:2011-11-10

    申请号:US13186572

    申请日:2011-07-20

    IPC分类号: H01L21/28

    摘要: A method of fabricating a semiconductor device includes providing a semiconductor substrate having a first active region and a second active region, forming a first metal layer over a high-k dielectric layer, removing at least a portion of the first metal layer in the second active region, forming a second metal layer on first metal layer in the first active region and over the high-k dielectric layer in the second active region, and thereafter, forming a silicon layer over the second metal layer. The method further includes removing the silicon layer from the first gate stack thereby forming a first trench and from the second gate stack thereby forming a second trench, and forming a third metal layer over the second metal layer in the first trench and over the second metal layer in the second trench.

    摘要翻译: 制造半导体器件的方法包括提供具有第一有源区和第二有源区的半导体衬底,在高k电介质层上形成第一金属层,去除第二有源区中的第一金属层的至少一部分 在第一有源区的第一金属层上形成第二金属层,在第二有源区的高k电介质层上形成第二金属层,然后在第二金属层上形成硅层。 该方法还包括从第一栅极堆叠中去除硅层,从而形成第一沟槽并从第二栅极堆叠形成第二沟槽,并且在第一沟槽中的第二金属层上方形成第三金属层,并在第二金属 在第二沟槽中。

    Method of integrating high-K/metal gate in CMOS process flow
    18.
    发明授权
    Method of integrating high-K/metal gate in CMOS process flow 有权
    在CMOS工艺流程中集成高K /金属栅极的方法

    公开(公告)号:US08003507B2

    公开(公告)日:2011-08-23

    申请号:US12478509

    申请日:2009-06-04

    IPC分类号: H01L21/3205 H01L21/4763

    摘要: The present disclosure provides a method of fabricating a semiconductor device. The method includes providing a semiconductor substrate having a first active region and a second active region, forming a high-k dielectric layer over the semiconductor substrate, forming a first metal layer over the high-k dielectric layer, the first metal layer having a first work function, removing a portion of the first metal layer in the second active region, thereafter, forming a semiconductor layer over the first metal layer in the first active region and over the partially removed first metal layer in the second active region, forming a first gate stack in the first active region and a second gate stack in the second active region, removing the semiconductor layer from the first gate stack and from the second gate stack, and forming a second metal layer on the first metal layer in the first gate stack and on the partially removed first metal layer in the second gate stack, the second metal layer having a second work function.

    摘要翻译: 本公开提供了制造半导体器件的方法。 该方法包括提供具有第一有源区和第二有源区的半导体衬底,在半导体衬底上形成高k电介质层,在高k电介质层上形成第一金属层,第一金属层具有第一 在第二有源区中除去第一金属层的一部分,然后在第一有源区中的第一金属层上方和在第二有源区中的部分去除的第一金属层上方形成半导体层,形成第一 在第一有源区中的栅极堆叠和第二有源区中的第二栅极堆叠,从第一栅极堆叠和第二栅极堆叠中去除半导体层,以及在第一栅极堆叠中的第一金属层上形成第二金属层 并且在第二栅极堆叠中部分去除的第一金属层上,第二金属层具有第二功函数。

    Solution for polymer and capping layer removing with wet dipping in HK metal gate etching process
    19.
    发明授权
    Solution for polymer and capping layer removing with wet dipping in HK metal gate etching process 有权
    在HK金属栅极蚀刻工艺中用湿法浸渍的聚合物和覆盖层去除的解决方案

    公开(公告)号:US07776755B2

    公开(公告)日:2010-08-17

    申请号:US12338615

    申请日:2008-12-18

    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。

    NOVEL METHOD TO INTEGRATE GATE ETCHING AS ALL-IN-ONE PROCESS FOR HIGH K METAL GATE
    20.
    发明申请
    NOVEL METHOD TO INTEGRATE GATE ETCHING AS ALL-IN-ONE PROCESS FOR HIGH K METAL GATE 有权
    将GATE蚀刻整合为高K金属门的一体化方法的新方法

    公开(公告)号:US20100041236A1

    公开(公告)日:2010-02-18

    申请号:US12367399

    申请日:2009-02-06

    IPC分类号: H01L21/306

    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。