Method of fabricating dual high-k metal gates for MOS devices
    23.
    发明授权
    Method of fabricating dual high-k metal gates for MOS devices 有权
    制造用于MOS器件的双高k金属栅极的方法

    公开(公告)号:US08105931B2

    公开(公告)日:2012-01-31

    申请号:US12424739

    申请日:2009-04-16

    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 region and a second region, forming a high-k dielectric layer over the semiconductor substrate, forming a capping layer over the high-k dielectric layer in the first region, forming a first metal layer over capping layer in the first region and over the high-k dielectric in the second region, thereafter, forming a first gate stack in the first region and a second gate stack in the second region, protecting the first metal layer in the first gate stack while performing a treatment process on the first metal layer in the second gate stack, and forming a second metal layer over the first metal layer in the first gate stack and over the treated first metal layer in the second gate stack.

    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区域和第二区域的半导体衬底,在半导体衬底上形成高k电介质层,在第一区域的高k电介质层上形成覆盖层,形成第一金属层 在第一区域中的覆盖层和第二区域中的高k电介质之上,然后在第一区域中形成第一栅极堆叠,在第二区域中形成第二栅极叠层,保护第一栅极叠层中的第一金属层,同时 对所述第二栅极堆叠中的所述第一金属层进行处理工艺,以及在所述第一栅极堆叠中的所述第一金属层上方以及所述第二栅极堆叠中经处理的第一金属层之上形成第二金属层。

    METHOD OF FABRICATING DUAL HIGH-K METAL GATES FOR MOS DEVICES
    24.
    发明申请
    METHOD OF FABRICATING DUAL HIGH-K METAL GATES FOR MOS DEVICES 有权
    用于制造MOS器件的双高K金属栅的方法

    公开(公告)号:US20100052067A1

    公开(公告)日:2010-03-04

    申请号:US12424739

    申请日:2009-04-16

    IPC分类号: H01L27/092 H01L21/8234

    摘要: The present disclosure provides a method of fabricating a semiconductor device. The method includes providing a semiconductor substrate having a first region and a second region, forming a high-k dielectric layer over the semiconductor substrate, forming a capping layer over the high-k dielectric layer in the first region, forming a first metal layer over capping layer in the first region and over the high-k dielectric in the second region, thereafter, forming a first gate stack in the first region and a second gate stack in the second region, protecting the first metal layer in the first gate stack while performing a treatment process on the first metal layer in the second gate stack, and forming a second metal layer over the first metal layer in the first gate stack and over the treated first metal layer in the second gate stack.

    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区域和第二区域的半导体衬底,在半导体衬底上形成高k电介质层,在第一区域的高k电介质层上形成覆盖层,形成第一金属层 在第一区域中的覆盖层和第二区域中的高k电介质之上,然后在第一区域中形成第一栅极堆叠,在第二区域中形成第二栅极叠层,保护第一栅极叠层中的第一金属层,同时 对所述第二栅极堆叠中的所述第一金属层进行处理工艺,以及在所述第一栅极堆叠中的所述第一金属层上方以及所述第二栅极堆叠中经处理的第一金属层之上形成第二金属层。

    CMOS dual metal gate semiconductor device
    25.
    发明授权
    CMOS dual metal gate semiconductor device 有权
    CMOS双金属栅极半导体器件

    公开(公告)号:US08836038B2

    公开(公告)日:2014-09-16

    申请号:US12883241

    申请日:2010-09-16

    摘要: A semiconductor structure and methods for forming the same are provided. The semiconductor structure includes a first MOS device of a first conductivity type and a second MOS device of a second conductivity type opposite the first conductivity type. The first MOS device includes a first gate dielectric on a semiconductor substrate; a first metal-containing gate electrode layer over the first gate dielectric; and a silicide layer over the first metal-containing gate electrode layer. The second MOS device includes a second gate dielectric on the semiconductor substrate; a second metal-containing gate electrode layer over the second gate dielectric; and a contact etch stop layer having a portion over the second metal-containing gate electrode layer, wherein a region between the portion of the contact etch stop layer and the second metal-containing gate electrode layer is substantially free from silicon.

    摘要翻译: 提供半导体结构及其形成方法。 半导体结构包括第一导电类型的第一MOS器件和与第一导电类型相反的第二导电类型的第二MOS器件。 第一MOS器件包括在半导体衬底上的第一栅极电介质; 在所述第一栅极电介质上的第一含金属的栅电极层; 以及位于第一含金属栅电极层上的硅化物层。 第二MOS器件包括半导体衬底上的第二栅极电介质; 在所述第二栅极电介质上方的第二含金属的栅电极层; 以及具有位于所述第二含金属栅电极层上的部分的接触蚀刻停止层,其中所述接触蚀刻停止层的所述部分和所述第二含金属栅电极层之间的区域基本上不含硅。

    NOVEL HIGH-K METAL GATE STRUCTURE AND METHOD OF MAKING
    28.
    发明申请
    NOVEL HIGH-K METAL GATE STRUCTURE AND METHOD OF MAKING 审中-公开
    新型高K金属结构及其制备方法

    公开(公告)号:US20100044804A1

    公开(公告)日:2010-02-25

    申请号:US12427222

    申请日:2009-04-21

    IPC分类号: H01L29/78 H01L21/28

    摘要: The present disclosure provides a semiconductor device that includes a semiconductor substrate, a transistor formed in the substrate, the transistor including a high-k gate dielectric formed over the substrate, the high-k gate dielectric having a first length measured from one sidewall to the other sidewall of the high-k gate dielectric, and a metal gate formed over the high-k gate dielectric, the metal gate having a second length measured from one sidewall to the other sidewall of the metal gate, the second length being smaller than the first length.

    摘要翻译: 本公开提供了一种半导体器件,其包括半导体衬底,形成在衬底中的晶体管,晶体管包括形成在衬底上的高k栅极电介质,高k栅极电介质具有从一个侧壁到 高k栅极电介质的另一个侧壁和形成在高k栅极电介质上的金属栅极,金属栅极具有从金属栅极的一个侧壁到另一侧壁测量的第二长度,第二长度小于 第一长。