Germanium FinFETs Having Dielectric Punch-Through Stoppers
    2.
    发明申请
    Germanium FinFETs Having Dielectric Punch-Through Stoppers 有权
    具有介质穿孔塞的锗FinFET

    公开(公告)号:US20120025313A1

    公开(公告)日:2012-02-02

    申请号:US13272994

    申请日:2011-10-13

    IPC分类号: H01L27/12 H01L29/02

    摘要: A method of forming a semiconductor structure includes providing a composite substrate, which includes a bulk silicon substrate and a silicon germanium (SiGe) layer over and adjoining the bulk silicon substrate. A first condensation is performed to the SiGe layer to form a condensed SiGe layer, so that the condensed SiGe layer has a substantially uniform germanium concentration. The condensed SiGe layer and a top portion of the bulk silicon substrate are etched to form a composite fin including a silicon fin and a condensed SiGe fin over the silicon fin. The method further includes oxidizing a portion of the silicon fin; and performing a second condensation to the condensed SiGe fin.

    摘要翻译: 形成半导体结构的方法包括提供复合衬底,该复合衬底包括在本体硅衬底上并邻接体硅衬底的体硅衬底和硅锗(SiGe)层。 对SiGe层进行第一次冷凝以形成冷凝的SiGe层,使得冷凝的SiGe层具有基本均匀的锗浓度。 蚀刻冷凝的SiGe层和体硅衬底的顶部以在硅片上形成包括硅翅片和冷凝的SiGe鳍的复合翅片。 该方法还包括氧化硅片的一部分; 并对冷凝的SiGe翅片进行第二冷凝。

    Germanium FinFETs having dielectric punch-through stoppers
    3.
    发明授权
    Germanium FinFETs having dielectric punch-through stoppers 有权
    锗FinFET具有绝缘穿孔塞

    公开(公告)号:US08048723B2

    公开(公告)日:2011-11-01

    申请号:US12329279

    申请日:2008-12-05

    IPC分类号: H01L21/332

    摘要: A method of forming a semiconductor structure includes providing a composite substrate, which includes a bulk silicon substrate and a silicon germanium (SiGe) layer over and adjoining the bulk silicon substrate. A first condensation is performed to the SiGe layer to form a condensed SiGe layer, so that the condensed SiGe layer has a substantially uniform germanium concentration. The condensed SiGe layer and a top portion of the bulk silicon substrate are etched to form a composite fin including a silicon fin and a condensed SiGe fin over the silicon fine. The method further includes oxidizing a portion of the silicon fin; and performing a second condensation to the condensed SiGe fin.

    摘要翻译: 形成半导体结构的方法包括提供复合衬底,该复合衬底包括在本体硅衬底上并邻接体硅衬底的体硅衬底和硅锗(SiGe)层。 对SiGe层进行第一次冷凝以形成冷凝的SiGe层,使得冷凝的SiGe层具有基本均匀的锗浓度。 蚀刻冷凝的SiGe层和体硅衬底的顶部以形成包括硅片和在硅微细上的冷凝的SiGe鳍的复合翅片。 该方法还包括氧化硅片的一部分; 并对冷凝的SiGe翅片进行第二冷凝。

    Reducing Resistance in Source and Drain Regions of FinFETs
    4.
    发明申请
    Reducing Resistance in Source and Drain Regions of FinFETs 有权
    降低FinFET源极和漏极区域的电阻

    公开(公告)号:US20090095980A1

    公开(公告)日:2009-04-16

    申请号:US11873156

    申请日:2007-10-16

    IPC分类号: H01L29/778 H01L29/786

    摘要: A semiconductor structure includes a semiconductor fin on a top surface of a substrate, wherein the semiconductor fin includes a middle section having a first width; and a first and a second end section connected to opposite ends of the middle section, wherein the first and the second end sections each comprises at least a top portion having a second width greater than the first width. The semiconductor structure further includes a gate dielectric layer on a top surface and sidewalls of the middle section of the semiconductor fin; and a gate electrode on the gate dielectric layer.

    摘要翻译: 半导体结构包括在基板的顶面上的半导体翅片,其中半导体鳍片包括具有第一宽度的中间部分; 以及连接到中间部分的相对端部的第一和第二端部分,其中第一和第二端部部分至少包括具有大于第一宽度的第二宽度的顶部部分。 半导体结构还包括在半导体鳍片的顶表面和中间部分的侧壁上的栅介质层; 以及栅极电介质层上的栅电极。

    Reducing resistance in source and drain regions of FinFETs
    6.
    发明授权
    Reducing resistance in source and drain regions of FinFETs 有权
    降低FinFET源极和漏极区域的电阻

    公开(公告)号:US07939889B2

    公开(公告)日:2011-05-10

    申请号:US11873156

    申请日:2007-10-16

    摘要: A semiconductor structure includes a semiconductor fin on a top surface of a substrate, wherein the semiconductor fin includes a middle section having a first width; and a first and a second end section connected to opposite ends of the middle section, wherein the first and the second end sections each comprises at least a top portion having a second width greater than the first width. The semiconductor structure further includes a gate dielectric layer on a top surface and sidewalls of the middle section of the semiconductor fin; and a gate electrode on the gate dielectric layer.

    摘要翻译: 半导体结构包括在基板的顶面上的半导体翅片,其中半导体鳍片包括具有第一宽度的中间部分; 以及连接到中间部分的相对端部的第一和第二端部分,其中第一和第二端部部分至少包括具有大于第一宽度的第二宽度的顶部部分。 半导体结构还包括在半导体鳍片的顶表面和中间部分的侧壁上的栅介质层; 以及栅极电介质层上的栅电极。

    Germanium FinFETs having dielectric punch-through stoppers
    7.
    发明授权
    Germanium FinFETs having dielectric punch-through stoppers 有权
    锗FinFET具有绝缘穿孔塞

    公开(公告)号:US08957477B2

    公开(公告)日:2015-02-17

    申请号:US13272994

    申请日:2011-10-13

    摘要: A method of forming a semiconductor structure includes providing a composite substrate, which includes a bulk silicon substrate and a silicon germanium (SiGe) layer over and adjoining the bulk silicon substrate. A first condensation is performed to the SiGe layer to form a condensed SiGe layer, so that the condensed SiGe layer has a substantially uniform germanium concentration. The condensed SiGe layer and a top portion of the bulk silicon substrate are etched to form a composite fin including a silicon fin and a condensed SiGe fin over the silicon fin. The method further includes oxidizing a portion of the silicon fin; and performing a second condensation to the condensed SiGe fin.

    摘要翻译: 形成半导体结构的方法包括提供复合衬底,该复合衬底包括在本体硅衬底上并邻接体硅衬底的体硅衬底和硅锗(SiGe)层。 对SiGe层进行第一次冷凝以形成冷凝的SiGe层,使得冷凝的SiGe层具有基本均匀的锗浓度。 蚀刻冷凝的SiGe层和体硅衬底的顶部以在硅片上形成包括硅翅片和冷凝的SiGe鳍的复合翅片。 该方法还包括氧化硅片的一部分; 并对冷凝的SiGe翅片进行第二冷凝。

    Semiconductor Devices with Low Junction Capacitances and Methods of Fabrication Thereof
    8.
    发明申请
    Semiconductor Devices with Low Junction Capacitances and Methods of Fabrication Thereof 审中-公开
    具有低结电容的半导体器件及其制造方法

    公开(公告)号:US20130009245A1

    公开(公告)日:2013-01-10

    申请号:US13616194

    申请日:2012-09-14

    IPC分类号: H01L27/12

    摘要: Semiconductor devices with low junction capacitances and methods of fabrication thereof are described. In one embodiment, a method of forming a semiconductor device includes forming isolation regions in a substrate to form active areas. The sidewalls of the active areas are enclosed by the isolation regions. The isolation regions are recessed to expose first parts of the sidewalls of the active areas. The first parts of the sidewalls of the active areas are covered with spacers. The isolation regions are etched to expose second parts of the sidewalls of the active area, the second parts being disposed below the first parts. The active areas are etched through the exposed second parts of the sidewalls to form lateral openings. The lateral openings are filled with a spin on dielectric.

    摘要翻译: 描述具有低结电容的半导体器件及其制造方法。 在一个实施例中,形成半导体器件的方法包括在衬底中形成隔离区以形成有源区。 有源区的侧壁由隔离区包围。 隔离区域被凹入以暴露有源区域的侧壁的第一部分。 有源区域的侧壁的第一部分被间隔物覆盖。 隔离区域被蚀刻以暴露有源区域的侧壁的第二部分,第二部分设置在第一部分的下方。 通过侧壁的暴露的第二部分蚀刻有源区域以形成侧向开口。 横向开口用电介质上的旋转填充。

    Methods of fabrication of semiconductor devices with low capacitance
    9.
    发明授权
    Methods of fabrication of semiconductor devices with low capacitance 有权
    具有低电容的半导体器件的制造方法

    公开(公告)号:US08293616B2

    公开(公告)日:2012-10-23

    申请号:US12618505

    申请日:2009-11-13

    IPC分类号: H01L21/76

    摘要: Semiconductor devices with low junction capacitances and methods of fabrication thereof are described. In one embodiment, a method of forming a semiconductor device includes forming isolation regions in a substrate to form active areas. The sidewalls of the active areas are enclosed by the isolation regions. The isolation regions are recessed to expose first parts of the sidewalls of the active areas. The first parts of the sidewalls of the active areas are covered with spacers. The isolation regions are etched to expose second parts of the sidewalls of the active area, the second parts being disposed below the first parts. The active areas are etched through the exposed second parts of the sidewalls to form lateral openings. The lateral openings are filled with a spin on dielectric.

    摘要翻译: 描述具有低结电容的半导体器件及其制造方法。 在一个实施例中,形成半导体器件的方法包括在衬底中形成隔离区以形成有源区。 有源区的侧壁由隔离区包围。 隔离区域被凹入以暴露有源区域的侧壁的第一部分。 有源区域的侧壁的第一部分被间隔物覆盖。 隔离区域被蚀刻以暴露有源区域的侧壁的第二部分,第二部分设置在第一部分的下方。 通过侧壁的暴露的第二部分蚀刻有源区域以形成侧向开口。 横向开口用电介质上的旋转填充。

    System and Method for Source/Drain Contact Processing
    10.
    发明申请
    System and Method for Source/Drain Contact Processing 有权
    源/排水接触处理系统和方法

    公开(公告)号:US20110171805A1

    公开(公告)日:2011-07-14

    申请号:US13027436

    申请日:2011-02-15

    IPC分类号: H01L21/336 H01L21/28

    摘要: System and method for reducing contact resistance and prevent variations due to misalignment of contacts is disclosed. A preferred embodiment comprises a non-planar transistor with source/drain regions located within a fin. An inter-layer dielectric overlies the non-planar transistor, and contacts are formed to the source/drain region through the inter-layer dielectric. The contacts preferably come into contact with multiple surfaces of the fin so as to increase the contact area between the contacts and the fin.

    摘要翻译: 公开了用于降低接触电阻并防止由于接触不对准引起的变化的系统和方法。 优选实施例包括具有位于鳍内的源/漏区的非平面晶体管。 层间电介质覆盖非平面晶体管,并且通过层间电介质将触点形成到源/漏区。 接触件优选地与翅片的多个表面接触,以增加接触件和翅片之间的接触面积。