Integrated circuit field effect transistors including channel-containing fin having regions of high and low doping concentrations
    2.
    发明授权
    Integrated circuit field effect transistors including channel-containing fin having regions of high and low doping concentrations 有权
    集成电路场效应晶体管,其包括具有高掺杂浓度和低掺杂浓度区域的含通道翅片

    公开(公告)号:US07122871B2

    公开(公告)日:2006-10-17

    申请号:US10801614

    申请日:2004-03-16

    IPC分类号: H01L29/78

    摘要: Integrated circuit field effect transistors include an integrated circuit substrate and a fin that projects away from the integrated circuit substrate, extends along the integrated circuit substrate, and includes a top that is remote from the integrated circuit substrate. A channel region is provided in the fin that is doped a conductivity type and has a higher doping concentration of the conductivity type adjacent the top than remote from the top. A source region and a drain region are provided in the fin on opposite sides of the channel region, and an insulated gate electrode extends across the fin adjacent the channel region. Related fabrication methods also are described.

    摘要翻译: 集成电路场效应晶体管包括集成电路基板和远离集成电路基板突出的翅片,沿着集成电路基板延伸,并且包括远离集成电路基板的顶部。 沟道区域设置在散热片中,其掺杂有导电类型,并且具有比远离顶部更靠近顶部的导电类型的较高的掺杂浓度。 源极区域和漏极区域设置在沟道区域的相对侧上的鳍片中,并且绝缘栅极电极在与沟道区域相邻的鳍片上延伸。 还描述了相关的制造方法。

    Methods of Fabricating MOS Transistors Having Recesses With Elevated Source/Drain Regions
    4.
    发明申请
    Methods of Fabricating MOS Transistors Having Recesses With Elevated Source/Drain Regions 有权
    制造具有高的源极/漏极区域的凹槽的MOS晶体管的方法

    公开(公告)号:US20120034746A1

    公开(公告)日:2012-02-09

    申请号:US13241311

    申请日:2011-09-23

    IPC分类号: H01L21/336

    摘要: Methods of fabricating metal-oxide-semiconductor (MOS) transistors having elevated source/drain regions are provided. The MOS transistors formed by these methods may include a gate pattern formed to cross over a predetermined region of a substrate. Recessed regions are provided in the substrate adjacent to the gate pattern. Epitaxial layers are provided on bottom surfaces of the recessed regions. High concentration impurity regions are provided in the epitaxial layers. The recessed regions may be formed using a chemical dry etching techniques.

    摘要翻译: 提供了具有升高的源极/漏极区域的金属氧化物半导体(MOS)晶体管的制造方法。 通过这些方法形成的MOS晶体管可以包括形成为跨越衬底的预定区域的栅极图案。 凹陷区域设置在与栅极图案相邻的衬底中。 外凹层设置在凹陷区域的底表面上。 在外延层中设置高浓度杂质区。 凹陷区域可以使用化学干蚀刻技术形成。

    Methods of Fabricating MOS Transistors Having Recesses with Elevated Source/Drain Regions
    5.
    发明申请
    Methods of Fabricating MOS Transistors Having Recesses with Elevated Source/Drain Regions 有权
    制造具有高的源极/漏极区域的凹陷的MOS晶体管的方法

    公开(公告)号:US20100041201A1

    公开(公告)日:2010-02-18

    申请号:US12582073

    申请日:2009-10-20

    IPC分类号: H01L21/336

    摘要: Methods of fabricating metal-oxide-semiconductor (MOS) transistors having elevated source/drain regions are provided. The MOS transistors formed by these methods may include a gate pattern formed to cross over a predetermined region of a substrate. Recessed regions are provided in the substrate adjacent to the gate pattern. Epitaxial layers are provided on bottom surfaces of the recessed regions. High concentration impurity regions are provided in the epitaxial layers. The recessed regions may be formed using a chemical dry etching techniques.

    摘要翻译: 提供了具有升高的源极/漏极区域的金属氧化物半导体(MOS)晶体管的制造方法。 通过这些方法形成的MOS晶体管可以包括形成为跨越衬底的预定区域的栅极图案。 凹陷区域设置在与栅极图案相邻的衬底中。 外凹层设置在凹陷区域的底表面上。 在外延层中设置高浓度杂质区。 凹陷区域可以使用化学干蚀刻技术形成。

    Fin field effect transistors having capping insulation layers
    6.
    发明授权
    Fin field effect transistors having capping insulation layers 有权
    Fin场效应晶体管具有封盖绝缘层

    公开(公告)号:US07642589B2

    公开(公告)日:2010-01-05

    申请号:US11433942

    申请日:2006-05-15

    摘要: A field effect transistor includes a vertical fin-shaped semiconductor active region having an upper surface and a pair of opposing sidewalls on a substrate, and an insulated gate electrode on the upper surface and opposing sidewalls of the fin-shaped active region. The insulated gate electrode includes a capping gate insulation layer having a thickness sufficient to preclude formation of an inversion-layer channel along the upper surface of the fin-shaped active region when the transistor is disposed in a forward on-state mode of operation. Related fabrication methods are also discussed.

    摘要翻译: 场效应晶体管包括在衬底上具有上表面和一对相对侧壁的垂直鳍状半导体有源区,以及鳍状有源区的上表面和相对侧壁上的绝缘栅电极。 绝缘栅电极包括封盖栅极绝缘层,当晶体管处于正向导通状态工作模式时,其具有足以防止在鳍状有源区的上表面形成反型层通道的厚度。 还讨论了相关的制造方法。

    Methods of forming semiconductor devices having buried oxide patterns
    7.
    发明授权
    Methods of forming semiconductor devices having buried oxide patterns 有权
    形成具有掩埋氧化物图案的半导体器件的方法

    公开(公告)号:US07320908B2

    公开(公告)日:2008-01-22

    申请号:US11072103

    申请日:2005-03-04

    IPC分类号: H01L21/338

    摘要: Methods for forming semiconductor devices are provided. A semiconductor substrate is etched such that the semiconductor substrate defines a trench and a preliminary active pattern. The trench has a floor and a sidewall. An insulating layer is provided on the floor and the sidewall of the trench and a spacer is formed on the insulating layer such that the spacer is on the sidewall of the trench and on a portion of the floor of the trench. The insulating layer is removed on the floor of the trench and beneath the spacer such that a portion of the floor of the trench is at least partially exposed, the spacer is spaced apart from the floor of the trench and a portion of the preliminary active pattern is partially exposed. A portion of the exposed portion of the preliminary active pattern is partially removed to provide an active pattern that defines a recessed portion beneath the spacer. A buried insulating layer is formed in the recessed portion of the active pattern. Related devices are also provided.

    摘要翻译: 提供了形成半导体器件的方法。 蚀刻半导体衬底,使得半导体衬底限定沟槽和初步活性图案。 沟槽具有地板和侧壁。 绝缘层设置在地板上,并且沟槽的侧壁和间隔件形成在绝缘层上,使得间隔件位于沟槽的侧壁和沟槽底部的一部分上。 绝缘层在沟槽的地板上移除并且在间隔物的下面被移除,使得沟槽的底部的一部分至少部分地露出,间隔物与沟槽的底部间隔开,并且预活性图案的一部分 部分暴露。 部分地去除预活性图案的暴露部分的一部分以提供在间隔物下方限定凹陷部分的活性图案。 在活性图案的凹部中形成掩埋绝缘层。 还提供了相关设备。

    Methods of fabricating MOS transistors having recesses with elevated source/drain regions
    8.
    发明授权
    Methods of fabricating MOS transistors having recesses with elevated source/drain regions 有权
    制造具有升高的源极/漏极区域的凹槽的MOS晶体管的方法

    公开(公告)号:US08304318B2

    公开(公告)日:2012-11-06

    申请号:US13241311

    申请日:2011-09-23

    IPC分类号: H01L21/336

    摘要: Methods of fabricating metal-oxide-semiconductor (MOS) transistors having elevated source/drain regions are provided. The MOS transistors formed by these methods may include a gate pattern formed to cross over a predetermined region of a substrate. Recessed regions are provided in the substrate adjacent to the gate pattern. Epitaxial layers are provided on bottom surfaces of the recessed regions. High concentration impurity regions are provided in the epitaxial layers. The recessed regions may be formed using a chemical dry etching techniques.

    摘要翻译: 提供了具有升高的源极/漏极区域的金属氧化物半导体(MOS)晶体管的制造方法。 通过这些方法形成的MOS晶体管可以包括形成为跨越衬底的预定区域的栅极图案。 凹陷区域设置在与栅极图案相邻的衬底中。 外凹层设置在凹陷区域的底表面上。 在外延层中设置高浓度杂质区。 凹陷区域可以使用化学干蚀刻技术形成。

    Methods for fabricating fin field effect transistors using a protective layer to reduce etching damage
    10.
    发明申请
    Methods for fabricating fin field effect transistors using a protective layer to reduce etching damage 失效
    使用保护层制造鳍状场效应晶体管以减少蚀刻损伤的方法

    公开(公告)号:US20050019993A1

    公开(公告)日:2005-01-27

    申请号:US10869764

    申请日:2004-06-16

    摘要: A method of forming a fin field effect transistor on a semiconductor substrate includes forming a vertical fin protruding from the substrate. A buffer oxide liner is formed on a top surface and on sidewalls of the fin. A trench is then formed on the substrate, where at least a portion of the fin protrudes from a bottom surface of the trench. The trench may be formed by forming a dummy gate on at least a portion of the fin, forming an insulation layer on the fin surrounding the dummy gate, and then removing the dummy gate to expose the at least a portion of the fin, such that the trench is surrounded by the insulation layer. The buffer oxide liner is then removed from the protruding portion of the fin, and a gate is formed in the trench on the protruding portion of the fin.

    摘要翻译: 在半导体衬底上形成鳍状场效应晶体管的方法包括形成从衬底突出的垂直翅片。 缓冲氧化物衬垫形成在翅片的顶表面和侧壁上。 然后在衬底上形成沟槽,其中鳍的至少一部分从沟槽的底表面突出。 可以通过在鳍片的至少一部分上形成伪栅极来形成沟槽,在围绕虚拟栅极的鳍片上形成绝缘层,然后去除伪栅极以暴露鳍片的至少一部分,使得 沟槽被绝缘层包围。 然后从鳍片的突出部分去除缓冲氧化物衬垫,并且在鳍片的突出部分上的沟槽中形成栅极。