Methods of fabricating high-k metal gate devices
    1.
    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。

    Methods of fabricating high-K metal gate devices
    2.
    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。

    METHODS OF FABRICATING HIGH-K METAL GATE DEVICES
    4.
    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:US20100068876A1

    公开(公告)日:2010-03-18

    申请号:US12405965

    申请日:2009-03-17

    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。

    Sealing layer of a field effect transistor
    5.
    发明授权
    Sealing layer of a field effect transistor 有权
    场效应晶体管的密封层

    公开(公告)号:US08258588B2

    公开(公告)日:2012-09-04

    申请号:US12757241

    申请日:2010-04-09

    CPC分类号: H01L29/4983 H01L29/6656

    摘要: An exemplary structure for a gate structure of a field effect transistor comprises a gate electrode; a gate insulator under the gate electrode having footing regions on opposing sides of the gate electrode; and a sealing layer on sidewalls of the gate structure, wherein a thickness of lower portion of the sealing layer overlying the footing regions is less than a thickness of upper portion of the sealing layer on sidewalls of the gate electrode, whereby the field effect transistor made has almost no recess in the substrate surface.

    摘要翻译: 场效应晶体管的栅极结构的示例性结构包括栅电极; 栅电极下方的栅极绝缘体,在栅电极的相对侧具有基极区域; 以及在所述栅极结构的侧壁上的密封层,其中覆盖所述基底区域的所述密封层的下部的厚度小于所述栅极电极的侧壁上的所述密封层的上部的厚度,由此所述场效应晶体管 在基板表面几乎没有凹陷。

    Method for fabricating an isolation structure
    6.
    发明授权
    Method for fabricating an isolation structure 有权
    隔离结构的制造方法

    公开(公告)号:US08163625B2

    公开(公告)日:2012-04-24

    申请号:US12753972

    申请日:2010-04-05

    IPC分类号: H01L21/76

    CPC分类号: H01L21/76232

    摘要: The disclosure relates to integrated circuit fabrication, and more particularly to an electronic device with an isolation structure having almost no divot. An exemplary method for fabricating an isolation structure, comprising: forming a pad oxide layer over a top surface of a substrate; forming an opening in the pad oxide layer, exposing a portion of the substrate; etching the exposed portion of the substrate, forming a trench in the substrate; filling the trench with an insulator; exposing a surface of the pad oxide layer and a surface of the insulator to a vapor mixture including at least an NH3 and a fluorine-containing compound; and heating the substrate at a temperature between 100° C. to 200° C.

    摘要翻译: 本公开涉及集成电路制造,并且更具体地涉及具有几乎没有纹波的隔离结构的电子器件。 一种用于制造隔离结构的示例性方法,包括:在衬底的顶表面上形成衬垫氧化物层; 在所述衬垫氧化物层中形成开口,暴露所述衬底的一部分; 蚀刻衬底的暴露部分,在衬底中形成沟槽; 用绝缘体填充沟槽; 将衬垫氧化物层的表面和绝缘体的表面暴露于至少包含NH 3和含氟化合物的蒸汽混合物; 并在100℃至200℃的温度下加热基材。

    N2 based plasma treatment and ash for HK metal gate protection
    7.
    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。