Strained silicon on relaxed sige film with uniform misfit dislocation density
    11.
    发明申请
    Strained silicon on relaxed sige film with uniform misfit dislocation density 有权
    应变硅在轻松的超薄膜上具有均匀的失配位错密度

    公开(公告)号:US20050164477A1

    公开(公告)日:2005-07-28

    申请号:US11048739

    申请日:2005-02-03

    摘要: A method for forming a semiconductor substrate structure is provided. A compressively strained SiGe layer is formed on a silicon substrate. Atoms are ion-implanted onto the SiGe layer to cause end-of-range damage. Annealing is performed to relax the strained SiGe layer. During the annealing, interstitial dislocation loops are formed as uniformly distributed in the SiGe layer. The interstitial dislocation loops provide a basis for nucleation of misfit dislocations between the SiGe layer and the silicon substrate. Since the interstitial dislocation loops are distributed uniformly, the misfit locations are also distributed uniformly, thereby relaxing the SiGe layer. A tensilely strained silicon layer is formed on the relaxed SiGe layer.

    摘要翻译: 提供一种形成半导体衬底结构的方法。 在硅衬底上形成压缩应变SiGe层。 原子被离子注入SiGe层以造成范围内的损伤。 进行退火以松弛应变的SiGe层。 在退火过程中,间隙位错环形成均匀分布在SiGe层中。 间隙位错环为SiGe层和硅衬底之间的失配位错的成核提供了基础。 由于间隙位错环分布均匀,因此错位位置也均匀分布,从而松弛SiGe层。 在松弛的SiGe层上形成拉伸应变硅层。

    Method and structure for improved MOSFETs using poly/silicide gate height control
    13.
    发明申请
    Method and structure for improved MOSFETs using poly/silicide gate height control 失效
    使用多晶硅/硅化物栅极高度控制的改进MOSFET的方法和结构

    公开(公告)号:US20050145950A1

    公开(公告)日:2005-07-07

    申请号:US11057126

    申请日:2005-02-15

    摘要: A method for manufacturing an integrated circuit that has a plurality of semiconductor devices including an n-type field effect transistor and a p-type field effect transistor. This method involves depositing oxide fill on the n-type transistor and the p-type transistor and chemical/mechanical polishing the deposited oxide fill such that a gate stack of the n-type transistor and a gate stack of the p-type transistor, which each have spacers which are surrounded with oxide. The method further involves etching a portion of the polysilicon from a gate of the p-type field effect transistor, depositing a low resistance material (e.g., Co, Ni, Ti, or other similar metals) on the n-type field effect transistor and the p-type field effect transistor, and heating the integrated circuit such that the deposited material reacts with the polysilicon of the n-type transistor and the polysilicon of the p-type transistor to form silicide. The silicide formed on the p-type polysilicon imposes compressive mechanical stresses along the longitudinal direction of the channel of the p-type field effect transistor. A semiconductor device formed by this method has compressive stresses along the length of the PFET channel and tensile stresses along the length of the NFET channel.

    摘要翻译: 一种具有包括n型场效应晶体管和p型场效应晶体管的多个半导体器件的集成电路的制造方法。 该方法包括在n型晶体管和p型晶体管上沉积氧化物填充物,并化学/机械抛光沉积的氧化物填充物,使得n型晶体管的栅极堆叠和p型晶体管的栅极堆叠,其中 每个具有被氧化物包围的间隔物。 该方法还包括从p型场效应晶体管的栅极蚀刻多晶硅的一部分,在n型场效应晶体管上沉积低电阻材料(例如,Co,Ni,Ti或其它类似的金属),以及 p型场效应晶体管,并且加热集成电路,使得沉积的材料与n型晶体管的多晶硅和p型晶体管的多晶硅反应以形成硅化物。 形成在p型多晶硅上的硅化物沿着p型场效应晶体管的沟道的纵向施加压缩机械应力。 通过该方法形成的半导体器件具有沿着PFET沟道的长度的压缩应力和沿着NFET沟道的长度的拉伸应力。

    Method of manufacture of FinFET devices with T-shaped fins and devices manufactured thereby
    16.
    发明申请
    Method of manufacture of FinFET devices with T-shaped fins and devices manufactured thereby 失效
    具有T形翅片的FinFET器件的制造方法和由此制造的器件

    公开(公告)号:US20050191795A1

    公开(公告)日:2005-09-01

    申请号:US10790550

    申请日:2004-03-01

    摘要: An FET device comprises a semiconductor structure with a source island, a drain island over a horizontal surface of a substrate comprising an insulating material. A channel structure over the horizontal surface of the substrate connects between the drain and the source, with the channel structure comprising a horizontal semiconductor channel fin above a vertical fin with the planar fin and the vertical fin having a T-shaped cross-section. The vertical fin is contact with the horizontal surface of the substrate and the planar fin is in contact with the top of the vertical fin. A gate dielectric layer covers exposed surfaces of the channel structure. A gate electrode straddles the channel gate dielectric and the channel structure. Then a sacrificial layer such as SiGe is deposited upon the substrate before forming the vertical fin which may be either a semiconductor or dielectric material. The planar fin is a semiconductor material such as Si, SiGe or Ge.

    摘要翻译: FET器件包括具有源岛的半导体结构,在包括绝缘材料的衬底的水平表面上的漏极岛。 衬底的水平表面上的沟道结构连接在漏极和源极之间,其中沟道结构包括在具有平面翅片的垂直翅片上方的水平半导体沟道翅片,并且垂直翅片具有T形横截面。 垂直翅片与基板的水平表面接触,并且平面翅片与垂直翅片的顶部接触。 栅介质层覆盖通道结构的暴露表面。 栅电极横跨沟道栅极电介质和沟道结构。 然后在形成可以是半导体或电介质材料的垂直翅片之前,将诸如SiGe的牺牲层沉积在衬底上。 平面翅片是诸如Si,SiGe或Ge的半导体材料。

    MOSFET performance improvement using deformation in SOI structure
    18.
    发明申请
    MOSFET performance improvement using deformation in SOI structure 失效
    使用SOI结构中的变形的MOSFET性能改进

    公开(公告)号:US20050142788A1

    公开(公告)日:2005-06-30

    申请号:US11065061

    申请日:2005-02-25

    摘要: A method for manufacturing a semiconductor device is provided. The method includes forming a semiconductor layer on a substrate. The first region of the substrate is expanded to push up the first portion of the semiconductor layer, thereby applying tensile stress to the first portion. The second region of the substrate is compressed to pull down the second portion of the semiconductor layer, thereby applying compressive stress to the second portion. An N type device is formed over the first portion of the semiconductor layer, and a P type device is formed over the second portion of the semiconductor layer.

    摘要翻译: 提供一种制造半导体器件的方法。 该方法包括在衬底上形成半导体层。 衬底的第一区域被膨胀以向上推动半导体层的第一部分,从而对第一部分施加拉伸应力。 衬底的第二区域被压缩以拉下半导体层的第二部分,从而向第二部分施加压应力。 在半导体层的第一部分上形成N型器件,并且在半导体层的第二部分上形成P型器件。