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    • 2. 发明专利
    • Mask structure and method for defect-free heteroepitaxial
    • 无缺陷异构体的掩模结构和方法
    • JP2013166689A
    • 2013-08-29
    • JP2013027626
    • 2013-02-15
    • ImecアイメックImec
    • VINCENT BENJAMINTHEAN AARONLIESBETH WITTERS
    • C30B25/04H01L21/205
    • H01L21/02639C30B19/00C30B19/12C30B23/04C30B25/04H01L21/02381H01L21/02422H01L21/02532H01L21/02538H01L21/02647H01L21/02664H01L21/762H01L29/0653H01L29/66795H01L29/7851
    • PROBLEM TO BE SOLVED: To provide a mask-producing method for producing a defect-free epitaxially grown structure comprising one crystalline material on a substrate comprising the other crystalline material, the two materials having difference lattice constants.SOLUTION: A mask comprises the following two levels. A first level 10 comprises a first layer provided with a first opening, for example, first trench 1, the bottom of which is formed by a substrate 3 formed of the first material. A second level 20 comprises at least a barrier placed on at least two opposite sides of the trench 2. According to a preferred embodiment, the second level 20 comprises one or more second trenches 2 arranged perpendicularly to the first trench 1. The height hand width wof the first trench 1 and the height hand width wof the second trench 2 are such that defects generated in the epitaxially grown layer of a second material at the substrate 3 portion at the bottom of the first trench 1, and propagating in the direction of the second trenches are trapped in the first trench.
    • 要解决的问题:提供一种制造无缺陷外延生长结构的掩模生产方法,其包括在包含另一结晶材料的基底上的一种结晶材料,所述两种材料具有不同的晶格常数。解决方案:掩模包括以下两个 水平。 第一级10包括设置有第一开口的第一层,例如第一沟槽1,第一沟槽1的底部由第一材料形成的衬底3形成。 第二级20至少包括放置在沟槽2的至少两个相对侧上的屏障。根据优选实施例,第二级20包括垂直于第一沟槽1布置的一个或多个第二沟槽2.高度手宽 第一沟槽1的第一沟槽和第二沟槽2的高度手宽度ww使得在第一沟槽1的底部处的衬底3部分处的第二材料的外延生长层中产生的缺陷沿着第二沟槽1的方向传播 第二个沟槽被困在第一个沟槽中。
    • 3. 发明专利
    • Method for manufacturing field-effect semiconductor device
    • 制造场效应半导体器件的方法
    • JP2014042008A
    • 2014-03-06
    • JP2013149246
    • 2013-07-18
    • ImecアイメックImec
    • LIESBETH WITTERS
    • H01L21/336H01L21/316H01L29/78
    • H01L29/66545H01L21/28255H01L29/1054H01L29/165H01L29/41783H01L29/6653H01L29/6656H01L29/66628H01L29/7781H01L29/78684
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a transistor device including a germanium channel layer with improved offset spacer profile.SOLUTION: A method for manufacturing a FET transistor device including a germanium channel layer (CL) comprises the steps of: providing a dummy gate structure (DG) including a silicon layer or a SiGe layer on the germanium channel layer; subjecting the germanium channel layer and the gate structure to a solution adapted for forming a silicon oxide on side surfaces of the silicon layer or the SiGe layer and for removing any germanium oxide formed on the germanium channel layer and forming sidewalls (SW1 and SW2); and providing elevated source/drain structures (S and D) on the germanium channel layer adjacent to the dummy structure by selectively epitaxially growing a source/drain material on the germanium channel layer.
    • 要解决的问题:提供一种制造包括具有改进的偏移间隔物轮廓的锗通道层的晶体管器件的方法。解决方案:一种用于制造包括锗沟道层(CL)的FET晶体管器件的方法,包括以下步骤: 在锗沟道层上包括硅层或SiGe层的虚拟栅极结构(DG); 将锗沟道层和栅极结构经受适于在硅层或SiGe层的侧表面上形成氧化硅并且用于去除形成在锗沟道层上并形成侧壁(SW1和SW2)的任何锗氧化物的溶液; 以及通过在锗沟道层上选择性地外延生长源极/漏极材料,在与虚设结构相邻的锗沟道层上提供升高的源/漏结构(S和D)。