High-k metal gate CMOS patterning method
    1.
    发明授权
    High-k metal gate CMOS patterning method 有权
    高k金属栅极CMOS图案化方法

    公开(公告)号:US08349680B2

    公开(公告)日:2013-01-08

    申请号:US12536629

    申请日:2009-08-06

    IPC分类号: H01L21/8238

    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 capping layer over the high-k dielectric layer, forming a first metal layer over the capping layer, the first metal layer having a first work function, forming a mask layer over the first metal layer in the first active region, removing the first metal layer and at least a portion of the capping layer in the second active region using the mask layer, and forming a second metal layer over the partially removed capping layer in the second active region, 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电介质层上形成覆盖层,在覆盖层上形成第一金属层 第一金属层具有第一功函数,在第一有源区中的第一金属层上形成掩模层,使用掩模层去除第一金属层和第二有源区中的覆盖层的至少一部分 并且在所述第二有源区域中的所述部分去除的覆盖层上形成第二金属层,所述第二金属层具有第二功函数。

    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
    3.
    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。

    METHOD FOR FABRICATING AN ISOLATION STRUCTURE
    8.
    发明申请
    METHOD FOR FABRICATING AN ISOLATION STRUCTURE 有权
    制造隔离结构的方法

    公开(公告)号:US20100255654A1

    公开(公告)日:2010-10-07

    申请号:US12753972

    申请日:2010-04-05

    IPC分类号: H01L21/762

    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。

    Fin field effect transistors
    9.
    发明授权
    Fin field effect transistors 有权
    Fin场效应晶体管

    公开(公告)号:US08748989B2

    公开(公告)日:2014-06-10

    申请号:US13407507

    申请日:2012-02-28

    IPC分类号: H01L21/70

    摘要: The disclosure relates to a fin field effect transistor (FinFET). An exemplary structure for a FinFET comprises a substrate comprising a major surface; a plurality of first trenches having a first width and extending downward from the substrate major surface to a first height, wherein a first space between adjacent first trenches defines a first fin; and a plurality of second trenches having a second width less than first width and extending downward from the substrate major surface to a second height greater than the first height, wherein a second space between adjacent second trenches defines a second fin.

    摘要翻译: 本发明涉及鳍状场效应晶体管(FinFET)。 FinFET的示例性结构包括:包括主表面的衬底; 多个第一沟槽,具有第一宽度并从所述衬底主表面向下延伸到第一高度,其中相邻第一沟槽之间的第一空间限定第一鳍片; 以及多个第二沟槽,其具有小于第一宽度的第二宽度并且从所述衬底主表面向下延伸到大于所述第一高度的第二高度,其中相邻第二沟槽之间的第二空间限定第二鳍片。

    Patterning methodology for uniformity control
    10.
    发明授权
    Patterning methodology for uniformity control 有权
    均匀性控制的图案化方法

    公开(公告)号:US08273632B2

    公开(公告)日:2012-09-25

    申请号:US13281862

    申请日:2011-10-26

    IPC分类号: H01L21/336

    摘要: The present disclosure provides a method of fabricating a semiconductor device. The method includes forming a patternable layer over a substrate. The method includes forming a first layer over the patternable layer. The method includes forming a second layer over the first layer. The second layer is substantially thinner than the first layer. The method includes patterning the second layer with a photoresist material through a first etching process to form a patterned second layer. The method includes patterning the first layer with the patterned second layer through a second etching process to form a patterned first layer. The first and second layers have substantially different etching rates during the second etching process. The method includes patterning the patternable layer with the patterned first layer through a third etching process.

    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可图案化层。 该方法包括在可图案层上形成第一层。 该方法包括在第一层上形成第二层。 第二层比第一层薄得多。 该方法包括通过第一蚀刻工艺用光致抗蚀剂材料图案化第二层以形成图案化的第二层。 该方法包括通过第二蚀刻工艺将具有图案化的第二层的第一层图案化以形成图案化的第一层。 第一和第二层在第二蚀刻工艺期间具有显着不同的蚀刻速率。 该方法包括通过第三蚀刻工艺对具有图案化的第一层的图案化层进行图案化。