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    • 8. 发明申请
    • SYSTEMS AND METHODS FOR PERFORMING IN-SITU DEPOSITION OF SIDEWALL IMAGE TRANSFER SPACERS
    • 用于执行平台图像传输间隔的原位沉积的系统和方法
    • US20170076957A1
    • 2017-03-16
    • US14851768
    • 2015-09-11
    • LAM RESEARCH CORPORATION
    • Jae Ho LeeChangwoo LeePhil FriddleStefan SchmitzNaveed AnsariMichael GossNoel Sun
    • H01L21/311H01J37/32H01L21/283H01L21/033H01L21/02
    • H01L21/31144H01J37/32366H01J2237/334H01L21/02164H01L21/02211H01L21/02271H01L21/02274H01L21/0332H01L21/0334H01L21/0337H01L21/28132H01L21/28141H01L21/283H01L21/3086H01L21/31116
    • A method of performing a sidewall image transfer (SIT) process includes arranging a substrate within a substrate processing chamber, wherein the substrate includes a mandrel layer formed on the substrate and etching the mandrel layer to form a plurality of mandrels. The method further includes, without removing the substrate from within the substrate processing chamber and subsequent to etching the mandrel layer, depositing a thin spacer layer such that the thin spacer layer is formed on upper surfaces of the plurality of mandrels, sidewalls of the plurality of mandrels, and portions of the substrate between the sidewalls of the plurality of mandrels, subsequent to depositing the thin spacer layer, etching the thin spacer layer to remove the thin spacer layer from the upper surfaces of the mandrels and the portions of the substrate between the sidewalls of the plurality of mandrels such that only the thin spacer layer formed on the sidewalls of the plurality of mandrels remains, and, subsequent to etching the thin spacer layer from the upper surfaces of the mandrels and the portions of the substrate between the sidewalls of the plurality of mandrels, etching the plurality of mandrels to remove the plurality of mandrels from the substrate such that only the thin spacer layer formed on the sidewalls of the plurality of mandrels remains on the substrate.
    • 执行侧壁图像转印(SIT)处理的方法包括在衬底处理室内布置衬底,其中衬底包括形成在衬底上的心轴层并蚀刻心轴层以形成多个心轴。 所述方法还包括:在不从所述衬底处理室内移除所述衬底并且在蚀刻所述心轴层之后,沉积薄间隔层,使得所述薄间隔层形成在所述多个心轴的上表面上, 心轴,以及在多个心轴的侧壁之间的衬底的部分,在沉积薄间隔层之后,蚀刻薄间隔层以从芯轴的上表面和衬垫的部分之间移除薄间隔层 多个心轴的侧壁使得只有形成在多个心轴的侧壁上的薄间隔层保留,并且在从所述心轴的上表面和衬底的部分在侧壁之间蚀刻薄间隔层之后, 多个心轴,蚀刻多个心轴以从衬底移除多个心轴使得 只有形成在多个心轴的侧壁上的薄间隔层保留在基底上。
    • 9. 发明授权
    • Hybrid feature etching and bevel etching systems
    • 混合特征蚀刻和斜面蚀刻系统
    • US09564285B2
    • 2017-02-07
    • US13942502
    • 2013-07-15
    • Lam Research Corporation
    • Andreas FischerJohn Holland
    • H01J37/32H01J37/00
    • H01J37/00H01J37/32091H01J37/32366H01J37/32385H01J37/32568H01J37/32642H01L2221/00
    • A plasma processing system having at least a plasma processing chamber for performing plasma processing of a substrate and utilizing at least a first processing state and a second processing state. Plasma is present above the center region of the substrate during the first processing stale to perform plasma processing of at least the center region during the first processing state. Plasma is absent above the center region of the substrate but present adjacent to the bevel edge region during the second processing state to at least perform plasma processing of the bevel edge region during the second processing state. During the second processing state, the upper electrode is in an RF floating state and the substrate is disposed on the lower electrode surface.
    • 一种等离子体处理系统,至少具有用于对基板进行等离子体处理并利用至少第一处理状态和第二处理状态的等离子体处理室。 在第一处理过程期间,等离子体存在于衬底的中心区域之上,以在第一处理状态期间至少执行中心区域的等离子体处理。 在第二处理状态期间,等离子体不存在于基板的中心区域上方,但在斜边缘区域附近存在,以至少在第二处理状态期间执行斜面边缘区域的等离子体处理。 在第二处理状态期间,上电极处于RF浮置状态,并且衬底设置在下电极表面上。