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    • 3. 发明授权
    • Methods for fabricating FinFET structures having different channel lengths
    • 制造具有不同沟道长度的FinFET结构的方法
    • US07960287B2
    • 2011-06-14
    • US12891365
    • 2010-09-27
    • Frank Scott JohnsonRichard T. Schultz
    • Frank Scott JohnsonRichard T. Schultz
    • H01L21/311
    • H01L21/823431H01L29/66795H01L29/66818
    • Methods for fabricating FinFET structures having gate structures of different gate widths are provided. The methods include the formation of sidewall spacers of different thicknesses to define gate structures of the FinFET structures with different gate widths. The width of a sidewall spacer is defined by the height of the structure about which the sidewall spacer is formed, the thickness of the sidewall spacer material layer from which the spacer is formed, and the etch parameters used to etch the sidewall spacer material layer. By forming structures of varying height, forming the sidewall spacer material layer of varying thickness, or a combination of these, sidewall spacers of varying width can be fabricated and subsequently used as an etch mask so that gate structures of varying widths can be formed simultaneously.
    • 提供了制造具有不同栅极宽度的栅极结构的FinFET结构的方法。 这些方法包括形成不同厚度的侧壁间隔物,以限定具有不同栅极宽度的FinFET结构的栅极结构。 侧壁间隔物的宽度由形成侧壁间隔物的结构的高度,形成间隔物的侧壁间隔材料层的厚度和用于蚀刻侧壁间隔物材料层的蚀刻参数限定。 通过形成不同高度的结构,形成不同厚度的侧壁间隔物材料层或这些的组合,可以制造不同宽度的侧壁间隔物,并随后用作蚀刻掩模,从而可以同时形成不同宽度的栅极结构。
    • 7. 发明授权
    • Methods for fabricating bulk FinFET devices having deep trench isolation
    • 用于制造具有深沟槽隔离的体积FinFET器件的方法
    • US08039326B2
    • 2011-10-18
    • US12544931
    • 2009-08-20
    • Andreas KnorrFrank Scott Johnson
    • Andreas KnorrFrank Scott Johnson
    • H01L21/00H01L21/84H01L21/8234H01L21/336
    • H01L21/76232H01L29/66795H01L29/7851
    • Methods are provided for fabricating Bulk FinFET devices having deep trench isolation. One or more deep isolation trenches are formed in a bulk silicon wafer. Mandrel-forming material is deposited overlying the bulk silicon wafer and dielectric pad layer thereon and simultaneously into the trench(es) as filler material. Mandrels are formed, overetching thereof creating a recess at the trench upper end. A conformal sidewall spacer material from which sidewall spacers are fabricated is deposited overlying the mandrels and into the recess forming a spacer overlying the filler material in the trench(es). Mandrels are removed using the spacer as an etch stop. Fin structures are formed from the bulk silicon wafer using the sidewall spacers as an etch mask. The mandrel-forming material is amorphous and/or polycrystalline silicon.
    • 提供了用于制造具有深沟槽隔离的块状FinFET器件的方法。 在体硅晶片中形成一个或多个深隔离沟槽。 在其上的沉积硅晶片和介质垫层上沉积形成心轴的材料,同时沉积到作为填充材料的沟槽中。 形成心轴,其过蚀刻在沟槽上端形成凹部。 制造侧壁间隔件的共形侧壁间隔材料沉积在芯轴上并且形成凹槽,形成覆盖沟槽中的填充材料的间隔物。 使用间隔物去除心轴作为蚀刻停止。 使用侧壁间隔物作为蚀刻掩模,从体硅晶片形成翅片结构。 心轴形成材料是非晶和/或多晶硅。
    • 9. 发明授权
    • Methods for fabricating non-planar electronic devices having sidewall spacers formed adjacent selected surfaces
    • 制造具有邻近选定表面的侧壁间隔物的非平面电子器件的方法
    • US08192641B2
    • 2012-06-05
    • US12508421
    • 2009-07-23
    • Frank Scott Johnson
    • Frank Scott Johnson
    • B44C1/22C03C15/00C03C25/68C23F1/00
    • H01L21/3086H01L21/31116H01L21/32139H01L21/845H01L29/66795H01L29/785
    • Methods are provided for fabricating an electronic device having at least one sidewall spacer formed adjacent a selected surface. In one embodiment, the method includes the step of depositing spacer material adjacent first and second raised structures formed on the substrate and extending along substantially perpendicular axes. The method further includes the step of selectively removing spacer material laterally adjacent one of the first raised structure and the second raised structure. During the step of selectively removing, the electronic device is bombarded with ions from a first predetermined direction forming a first predetermined grazing angle with the substrate such that the spacer material adjacent a first sidewall of the first raised structure is substantially exposed to the ion bombardment while the spacer material adjacent opposing sidewalls of the second raised structure is substantially shielded therefrom.
    • 提供了用于制造具有邻近选定表面形成的至少一个侧壁间隔物的电子器件的方法。 在一个实施例中,该方法包括以下步骤:将邻近第一和第二凸起结构的间隔材料沉积在基底上并且沿着基本垂直的轴线延伸。 该方法还包括以下步骤:在第一凸起结构和第二凸起结构之一上横向相邻地选择性地去除间隔物。 在选择性去除的步骤期间,电子器件被从第一预定方向的离子轰击,与基底形成第一预定的掠角,使得邻近第一凸起结构的第一侧壁的间隔物基本上暴露于离子轰击,而 与第二凸起结构的相对侧壁相邻的间隔物基本上被屏蔽。
    • 10. 发明申请
    • SEMICONDUCTOR DEVICE WITH STRESSED FIN SECTIONS
    • 半导体器件与强化部分
    • US20110266622A1
    • 2011-11-03
    • US13180300
    • 2011-07-11
    • Scott LuningFrank Scott Johnson
    • Scott LuningFrank Scott Johnson
    • H01L29/786
    • H01L29/7842H01L29/66795H01L29/785
    • A method of fabricating a semiconductor device is provided. The method forms a fin arrangement on a semiconductor substrate, the fin arrangement comprising one or more semiconductor fin structures. The method continues by forming a gate arrangement overlying the fin arrangement, where the gate arrangement includes one or more adjacent gate structures. The method proceeds by forming an outer spacer around sidewalls of each gate structure. The fin arrangement is then selectively etched, using the gate structure and the outer spacer(s) as an etch mask, resulting in one or more semiconductor fin sections underlying the gate structure(s). The method continues by forming a stress/strain inducing material adjacent sidewalls of the one or more semiconductor fin sections.
    • 提供一种制造半导体器件的方法。 所述方法在半导体衬底上形成翅片布置,所述翅片布置包括一个或多个半导体翅片结构。 该方法通过形成覆盖鳍片布置的栅极布置继续,其中栅极布置包括一个或多个相邻栅极结构。 该方法通过在每个栅极结构的侧壁周围形成外部间隔来进行。 然后使用栅极结构和外部间隔物作为蚀刻掩模来选择性地蚀刻鳍片布置,从而导致栅极结构下面的一个或多个半导体鳍片部分。 该方法通过在一个或多个半导体鳍片部分的侧壁附近形成应力/应变诱导材料来继续。