HIGH PERFORMANCE STRAINED CMOS DEVICES
    15.
    发明公开
    HIGH PERFORMANCE STRAINED CMOS DEVICES 有权
    高性能紧张的CMOS元件

    公开(公告)号:EP1678753A4

    公开(公告)日:2008-08-20

    申请号:EP04795234

    申请日:2004-10-15

    Applicant: IBM

    Abstract: A semiconductor device and method of manufacture provide an n-channel field effect transistor (nFET) having a shallow trench isolation with overhangs that overhang Si-SiO2 interfaces in a direction parallel to the direction of current flow and in a direction transverse to current flow. The device and method also provide a p-channel field effect transistor (pFET) having a shallow trench isolation with an overhang that overhangs Si-SiO2 interfaces in a direction transverse to current flow. However, the shallow trench isolation for the pFET is devoid of overhangs, in the direction parallel to the direction of current flow.

    REDUCTION OF BORON DIFFUSIVITY IN pFETs
    16.
    发明公开
    REDUCTION OF BORON DIFFUSIVITY IN pFETs 审中-公开
    VERRINGERUNG DERBORDIFFUSIVITÄT在PFETS

    公开(公告)号:EP1692717A4

    公开(公告)日:2008-04-09

    申请号:EP03819249

    申请日:2003-12-08

    Applicant: IBM

    Abstract: A stressed film applied across a boundary defined by a structure or a body (e.g. substrate or layer ) of semiconductor material provides a change from tensile to compressive stress in the semiconductor material proximate to the boundary and is used to modify boron diffusion rate during annealing and thus modify final boron concentrations and/or profiles/gradients. In the case of a field effect transistor, the gate structure may be formed with or without sidewalls to regulate the location of the boundary relative to source/drain, extension and/or halo implants. Different boron diffusion rates can be produced in the lateral and vertical directions and diffusion rates comparable to arsenic can be achieved. Reduction of junction capacitance of both nFETs and pFETs can be achieved simultaneously with the same process steps.

    Abstract translation: 施加在由半导体材料的结构或主体(例如衬底或层)限定的边界上的应力膜提供了在接近边界的半导体材料中从拉应力至压应力的变化,并且用于修改退火期间的硼扩散速率和 从而改变最终的硼浓度和/或分布/梯度。 在场效应晶体管的情况下,栅极结构可以形成为具有或不具有侧壁以相对于源极/漏极,延伸和/或晕圈注入来调节边界的位置。 可以在横向和垂直方向上产生不同的硼扩散速率,并且可以实现与砷相当的扩散速率。 可以通过相同的工艺步骤同时实现nFET和pFET的结电容的降低。

    Finfet and forming method of finfet
    17.
    发明专利
    Finfet and forming method of finfet 有权
    FINFET的FINFET和形成方法

    公开(公告)号:JP2011101002A

    公开(公告)日:2011-05-19

    申请号:JP2010238380

    申请日:2010-10-25

    Abstract: PROBLEM TO BE SOLVED: To provide a reliable process for achieving selectivity for selectively etching spacer/side wall material on fin against spacer/side wall material on a gate stack of finFET structure in an integrated circuit. SOLUTION: A spacer material is deposited in conformal manner on both fin and gate stack. Inclined impurity injection is performed almost parallel to the gate stack so that only the spacer material deposited on the fin is selectively damaged. Thus, such finFET is provided as covers a part of fin of the semiconductor material formed on a substrate and contains a spacer having substantially uniform profile along the length of the gate stack. By a damage caused by inclined injection, the spacer material on the fin can be so etched as has a higher selectivity than the spacer material on the gate stack. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种可靠的方法,用于实现在集成电路中在finFET结构的栅叠层上选择性地蚀刻翅片上的间隔件/侧壁材料的隔离物/侧壁材料的选择性。 解决方案:隔板材料以共形方式沉积在散热片和栅极叠层上。 倾斜的杂质注入与栅极堆叠几乎平行地进行,使得仅沉积在鳍上的间隔物被选择性地损坏。 因此,这种finFET被设置为覆盖形成在衬底上的半导体材料的鳍片的一部分,并且包含沿着栅极堆叠的长度具有基本均匀轮廓的间隔物。 由于倾斜注射造成的损伤,翅片上的间隔物材料可以被蚀刻,具有比栅极叠层上的间隔物材料更高的选择性。 版权所有(C)2011,JPO&INPIT

    INTRODUCTION OF METAL IMPURITY TO CHANGE WORKFUNCTION OF CONDUCTIVE ELECTRODES
    20.
    发明申请
    INTRODUCTION OF METAL IMPURITY TO CHANGE WORKFUNCTION OF CONDUCTIVE ELECTRODES 审中-公开
    介绍金属污染物改变导电电极的功能

    公开(公告)号:WO2007087127A3

    公开(公告)日:2007-11-22

    申请号:PCT/US2007000161

    申请日:2007-01-03

    Abstract: Semiconductor structures, such as, for example, field effect transistors (FETs) and/or metal- oxide-semiconductor capacitor (MOSCAPs), are provided in which the workfunction of a conductive electrode stack is changed by introducing metal impurities into a metal-containing material layer which, together with a conductive electrode, is present in the electrode stack. The choice of metal impurities depends on whether the electrode is to have an n-type workfunction or a p-type workfunction. The present invention also provides a method of fabricating such semiconductor structures. The introduction of metal impurities can be achieved by codeposition of a layer containing both a metal-containing material and workfunction altering metal impurities, forming a stack in which a layer of metal impurities is present between layers of a metal-containing material, or by forming a material layer including the metal impurities above and/or below a metal-containing material and then heating the structure so that the metal impurities are introduced into the metal-containing material.

    Abstract translation: 提供半导体结构,例如场效应晶体管(FET)和/或金属氧化物半导体电容器(MOSCAP),其中通过将金属杂质引入到含金属的物质中来改变导电电极堆叠的功函数 材料层与导电电极一起存在于电极堆叠中。 金属杂质的选择取决于电极是否具有n型功函数或p型功函数。 本发明还提供一种制造这种半导体结构的方法。 金属杂质的引入可以通过共沉积含有金属的材料和改变金属杂质的功函数的层来形成,形成其中金属杂质层存在于含金属材料的层之间的叠层,或通过形成 包括在含金属材料上方和/或下面的金属杂质的材料层,然后加热该结构,使得金属杂质被引入到含金属的材料中。

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