Fin field effect transistors including epitaxial fins
    21.
    发明授权
    Fin field effect transistors including epitaxial fins 有权
    Fin场效应晶体管包括外延鳍片

    公开(公告)号:US07394117B2

    公开(公告)日:2008-07-01

    申请号:US11622103

    申请日:2007-01-11

    IPC分类号: H01L29/34

    摘要: A method of forming a fin field effect transistor on a semiconductor substrate includes forming an active region in the substrate, forming an epitaxial layer on the active region, and removing a portion of the epitaxial layer to form a vertical fin on the active region. The fin has a width that is narrower than a width of the active region. Removing a portion of the epitaxial layer may include oxidizing a surface of the epitaxial layer and then removing the oxidized surface of the epitaxial layer to decrease the width of the fin. The epitaxial layer may be doped in situ before removing a portion of the epitaxial layer. The method further includes forming a conductive layer on a top surface and on sidewalls of the fin. Related transistors are also discussed.

    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在衬底中形成有源区,在有源区上形成外延层,去除外延层的一部分以在有源区上形成垂直鳍。 翅片具有比有源区域的宽度窄的宽度。 去除外延层的一部分可以包括氧化外延层的表面,然后去除外延层的氧化表面以减小鳍的宽度。 在去除外延层的一部分之前,外延层可以原位掺杂。 该方法还包括在鳍的顶表面和侧壁上形成导电层。 还讨论了相关晶体管。

    Finfets having first and second gates of different resistivities
    22.
    发明授权
    Finfets having first and second gates of different resistivities 有权
    Finfets具有不同电阻率的第一和第二门

    公开(公告)号:US07268396B2

    公开(公告)日:2007-09-11

    申请号:US10937246

    申请日:2004-09-09

    IPC分类号: H01L29/772

    摘要: A fin field effect transistor (FinFET) includes a first gate and a second gate. The first gate has a vertical part that is defined by sidewalls of a silicon fin and sidewalls of a capping pattern disposed on the silicon fin and a horizontal part horizontally extends from the vertical part. The second gate is made of a low-resistivity material and is in direct contact with the horizontal part of the first gate. A channel may be controlled due to the first gate, and a device operating speed may be enhanced due to the second gate. Related fabrication methods also are described.

    摘要翻译: 鳍状场效应晶体管(FinFET)包括第一栅极和第二栅极。 第一栅极具有由硅翅片的侧壁和设置在硅片上的封盖图案的侧壁限定的垂直部分,并且水平部分从垂直部分水平延伸。 第二栅极由低电阻率材料制成,并与第一栅极的水平部分直接接触。 由于第一门可以控制通道,并且由于第二门可能会增强设备运行速度。 还描述了相关的制造方法。

    FIN FIELD EFFECT TRANSISTORS INCLUDING EPITAXIAL FINS
    23.
    发明申请
    FIN FIELD EFFECT TRANSISTORS INCLUDING EPITAXIAL FINS 有权
    包括外源性FINS的FIN场效应晶体管

    公开(公告)号:US20070111439A1

    公开(公告)日:2007-05-17

    申请号:US11622103

    申请日:2007-01-11

    IPC分类号: H01L21/8242 H01L29/76

    摘要: A method of forming a fin field effect transistor on a semiconductor substrate includes forming an active region in the substrate, forming an epitaxial layer on the active region, and removing a portion of the epitaxial layer to form a vertical fin on the active region. The fin has a width that is narrower than a width of the active region. Removing a portion of the epitaxial layer may include oxidizing a surface of the epitaxial layer and then removing the oxidized surface of the epitaxial layer to decrease the width of the fin. The epitaxial layer may be doped in situ before removing a portion of the epitaxial layer. The method further includes forming a conductive layer on a top surface and on sidewalls of the fin. Related transistors are also discussed.

    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在衬底中形成有源区,在有源区上形成外延层,去除外延层的一部分以在有源区上形成垂直鳍。 翅片具有比活性区域的宽度窄的宽度。 去除外延层的一部分可以包括氧化外延层的表面,然后去除外延层的氧化表面以减小鳍的宽度。 在去除外延层的一部分之前,外延层可以原位掺杂。 该方法还包括在鳍的顶表面和侧壁上形成导电层。 还讨论了相关晶体管。

    Methods of fabricating fin field effect transistors
    24.
    发明授权
    Methods of fabricating fin field effect transistors 有权
    散射场效应晶体管的制造方法

    公开(公告)号:US07176067B2

    公开(公告)日:2007-02-13

    申请号:US10869763

    申请日:2004-06-16

    IPC分类号: H01L21/339

    摘要: A method of forming a fin field effect transistor on a semiconductor substrate includes forming an active region in the substrate, forming an epitaxial layer on the active region, and removing a portion of the epitaxial layer to form a vertical fin on the active region. The fin has a width that is narrower than a width of the active region. Removing a portion of the epitaxial layer may include oxidizing a surface of the epitaxial layer and then removing the oxidized surface of the epitaxial layer to decrease the width of the fin. The epitaxial layer may be doped in situ before removing a portion of the epitaxial layer. The method further includes forming a conductive layer on a top surface and on sidewalls of the fin. Related transistors are also discussed.

    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在衬底中形成有源区,在有源区上形成外延层,去除外延层的一部分以在有源区上形成垂直鳍。 翅片具有比有源区域的宽度窄的宽度。 去除外延层的一部分可以包括氧化外延层的表面,然后去除外延层的氧化表面以减小鳍的宽度。 在去除外延层的一部分之前,外延层可以原位掺杂。 该方法还包括在鳍的顶表面和侧壁上形成导电层。 还讨论了相关晶体管。

    Methods of fabricating Fin-field effect transistors (Fin-FETs) having protection layers
    25.
    发明授权
    Methods of fabricating Fin-field effect transistors (Fin-FETs) having protection layers 有权
    制造具有保护层的Fin场效应晶体管(Fin-FET)的方法

    公开(公告)号:US07141456B2

    公开(公告)日:2006-11-28

    申请号:US10871742

    申请日:2004-06-18

    IPC分类号: H01L21/84 H01L21/332

    CPC分类号: H01L29/7851 H01L29/66795

    摘要: Methods for fabricating Fin-Field Effect Transistors (Fin-FETs) are provided. A fin is formed on an integrated circuit substrate. The fin defines a trench on the integrated circuit substrate. A first insulation layer is formed in the trench such that a surface of the first insulation layer is recessed beneath a surface of the fin exposing sidewalls of the fin. A protection layer is formed on the first insulation layer and a second insulation layer is formed on the protection layer in the trench such that protection layer is between the second insulation layer and the sidewalls of the fin. Related Fin-FETs are also provided.

    摘要翻译: 提供制造鳍场效应晶体管(Fin-FET)的方法。 翅片形成在集成电路基板上。 翅片限定集成电路基板上的沟槽。 第一绝缘层形成在沟槽中,使得第一绝缘层的表面在鳍片的暴露在翅片的侧壁的表面下方凹进。 保护层形成在第一绝缘层上,并且第二绝缘层形成在沟槽中的保护层上,使得保护层位于第二绝缘层和鳍的侧壁之间。 还提供了相关的Fin-FET。

    Methods of fabricating fin field effect transistors having capping insulation layers
    26.
    发明授权
    Methods of fabricating fin field effect transistors having capping insulation layers 有权
    制造具有封盖绝缘层的鳍式场效应晶体管的方法

    公开(公告)号:US07071048B2

    公开(公告)日:2006-07-04

    申请号:US10936033

    申请日:2004-09-08

    IPC分类号: H01L21/8238

    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 and devices related thereto
    27.
    发明申请
    Methods of forming semiconductor devices having buried oxide patterns and devices related thereto 有权
    形成具有掩埋氧化物图案的半导体器件和与其相关的器件的方法

    公开(公告)号:US20050250279A1

    公开(公告)日:2005-11-10

    申请号:US11072103

    申请日:2005-03-04

    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
    29.
    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
    30.
    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。