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    • 4. 发明申请
    • FOCUS RING AND PLASMA PROCESSING APPARATUS
    • 聚焦环和等离子体加工设备
    • US20090294064A1
    • 2009-12-03
    • US12473707
    • 2009-05-28
    • Nobuyuki NAGAYAMA
    • Nobuyuki NAGAYAMA
    • H01L21/3065
    • H01J37/32642H01J37/32623
    • A focus ring that can eliminate the gap between a mounting stage and the focus ring in a plasma processing apparatus to prevent damage to a side wall of the mounting stage of a plasma processing apparatus and attachment of particles to a substrate to be processed resulting from spread of plasma. The focus ring has an annular shape and is provided in an outer peripheral edge portion of an upper surface of the mounting stage. The focus ring is comprised of a combination of a plurality of focus ring pieces formed by dividing the focus ring in a circumferential direction of the annular shape, and an annular band member that urges each of the focus ring pieces toward a center of the focus ring.
    • 一种聚焦环,其能够消除等离子体处理装置中的安装台和聚焦环之间的间隙,以防止损坏等离子体处理装置的安装台的侧壁并且将粒子附着到待处理的基板上,从而产生扩散 的等离子体。 聚焦环具有环形形状,并且设置在安装台的上表面的外周边缘部分中。 聚焦环由多个聚焦环组合而成,该多个聚焦环是通过沿着圆周方向的圆周方向分割聚焦环而形成的环形带构件,其将每个聚焦环朝向聚焦环的中心 。
    • 7. 发明申请
    • PLASMA PROCESSING APPARATUS
    • 等离子体加工设备
    • US20120111500A1
    • 2012-05-10
    • US13290440
    • 2011-11-07
    • Nobuyuki NAGAYAMAEiichiro KIKUCHI
    • Nobuyuki NAGAYAMAEiichiro KIKUCHI
    • C23F1/08C23C16/458C23C16/50C23C16/455
    • H01L21/67069H01J37/32642H01J37/32697H01J37/32715H01J37/32724H01L21/6831
    • The plasma processing apparatus includes: a processing chamber an inside of which is airtightly closable; a process gas supplying mechanism which supplies a process gas into the processing chamber; an exhaust mechanism which evacuates the inside of the processing chamber; a plasma generating mechanism which generates plasma from the process gas; a holding stage which is provided in the processing chamber and configured such that a substrate to be processed and a focus ring provided to surround the substrate to be processed are held on a same plane; a temperature control mechanism which adjusts a temperature of the holding stage; and an electrostatic chuck which is provided on a top surface of the holding stage and comprises an adsorbing electrode extending to a portion under the focus ring.
    • 等离子体处理装置包括:处理室,其内部气密地关闭; 处理气体供给机构,其将处理气体供给到处理室中; 排气机构,其排出处理室的内部; 等离子体发生机构,其从处理气体产生等离子体; 保持台,设置在处理室中,并且构造成使得被处理基板和设置成围绕被处理基板的聚焦环保持在同一平面上; 温度控制机构,其调节保持台的温度; 以及静电卡盘,其设置在保持台的顶面上,并且包括延伸到聚焦环下方的部分的吸附电极。