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    • 3. 发明申请
    • METHOD OF ADJUSTING THE THICKNESS OF AN ELECTRODE IN A PLASMA PROCESSING SYSTEM
    • 调整等离子体处理系统中电极厚度的方法
    • WO0188966A3
    • 2002-03-28
    • PCT/US0114636
    • 2001-05-08
    • TOKYO ELECTRON LTDSTRANG ERIC JBIBBY THOMAS F AJOHNSON WAYNE L
    • STRANG ERIC JBIBBY THOMAS F AJOHNSON WAYNE L
    • H01L21/3065H01J37/32
    • H01J37/32009H01J37/32532H01J37/32559H01J37/32862
    • A method of adjusting the relative thickness of an electrode assembly(10) in a plasma processing system (6) capable of supporting a plasma (20, 120) in a reactor chamber (16). The electrode assembly is arranged in the reactor chamber and includes at least one electrode having a lower surface that may have defined by at least one sacrificial protective plate (100). The electrode has a nonuniform thickness resulting from a plasma processing operation performed in the reactor chamber. The method includes a step of forming a plasma (120) designed to selectively etch the at least one electrode at the lower surface, followed by a step of etching the electrode with the aid of the plasma to reduce the nonuniformity in thickness (T(X,Z)) of the at least one electrode. The thickness of the electrode may be measured in situ using an acoustic transducer (210) during the processing of workpieces as well as during the restorative plasma etching of the electrode.
    • 一种在能够支撑反应室(16)中的等离子体(20,120)的等离子体处理系统(6)中调节电极组件(10)的相对厚度的方法。 电极组件布置在反应器室中并且包括至少一个电极,其具有可由至少一个牺牲保护板(100)限定的下表面。 电极具有由在反应器室中执行的等离子体处理操作产生的不均匀的厚度。 该方法包括形成等离子体(120)的步骤,该等离子体(120)被设计为选择性地蚀刻下表面上的至少一个电极,随后借助等离子体蚀刻电极以减小厚度不均匀性(T(X ,Z))。 可以在工件加工期间以及在电极的修复等离子体蚀刻期间使用声换能器(210)原位测量电极的厚度。
    • 5. 发明申请
    • APPARATUS AND METHOD FOR ADJUSTING DENSITY DISTRIBUTION OF A PLASMA
    • 调整等离子体密度分布的装置和方法
    • WO9919526A3
    • 1999-07-01
    • PCT/US9821622
    • 1998-10-15
    • TOKYO ELECTRON LTDJOHNSON WAYNE L
    • JOHNSON WAYNE L
    • H05H1/00B23K10/00H01J37/32H01L21/302H01L21/3065H05H1/46
    • H01J37/32871H01J37/321H01J37/3244H05H1/46
    • An apparatus and method for adjusting a distribution of a density of a plasma and/or a distribution of a chemical composition of a plasma, thereby adjusting the characteristics of a reaction used to process a substrate. The distribution of the density and/or the chemical composition are controlled by adjusting the geometry of recombination surfaces that are in contact with the plasma and which thereby stimulate the recombination of ions and electrons in particular regions of the plasma. For example, a recombination member (502) having a predetermined geometry can be provided in order to adjust the plasma density and chemistry in one or more local regions. In addition, plasma density can be adjusted by providing a conductive shield (1002) to reduce the coupling of RF power to particular regions of the plasma, thereby reducing plasma density in these regions. By adjusting the distribution of the density and chemical composition of a plasma, uniformity of a plasma processes (e.g., etching processes or plasma-enhanced chemical vapor deposition processes), is improved, resulting in improved uniformity of electrical properties of devices (106) being fabricated, improved critical dimension, and, consequently, improved performance and reduced costs of circuits fabricated on a substrate.
    • 用于调节等离子体的密度分布和/或等离子体的化学组成的分布的装置和方法,从而调节用于处理基板的反应的特性。 通过调节与等离子体接触的复合表面的几何形状来控制密度和/或化学成分的分布,由此激发等离子体的特定区域中的离子和电子的复合。 例如,可以提供具有预定几何形状的复合构件(502),以便调整一个或多个局部区域中的等离子体密度和化学性质。 此外,可以通过提供导电屏蔽(1002)来调节等离子体密度,以减少RF功率与等离子体的特定区域的耦合,从而降低这些区域中的等离子体密度。 通过调节等离子体的密度和化学组成的分布,提高了等离子体工艺(例如蚀刻工艺或等离子体增强化学气相沉积工艺)的均匀性,从而提高了器件(106)的电性能的均匀性 制造,改进的临界尺寸,并因此改善了在衬底上制造的电路的性能和降低的成本。
    • 8. 发明申请
    • PLASMA PUMP WITH INTER-STAGE PLASMA SOURCE
    • 等离子体泵与等离子体等离子体源
    • WO2003005406A1
    • 2003-01-16
    • PCT/US2002/020868
    • 2002-07-02
    • TOKYO ELECTRON LIMITEDQUON, Bill, H.JOHNSON, Wayne, L.
    • QUON, Bill, H.JOHNSON, Wayne, L.
    • H01J37/02
    • H01J37/32834H01J37/32082
    • A high efficiency plasma pump for use in a plasma processing system that includes a plasma processing device having a first plasma density proximate a processing region and a second plasma density proximate an exit region is disclosed. The plasma pump includes an inter-stage plasma (ISP) source fluidly coupled to the plasma processing device proximate the exit region, the ISP source comprising an inter-stage plasma region having a third plasma density; and a plasma pump fluidly coupled to the ISP, the plasma pump having a fourth plasma density, wherein pumping speed is dependent upon the third plasma density and the fourth plasma density. The ISP source increasing the third plasma density to increase the pumping efficiency.
    • 公开了一种用于等离子体处理系统的高效率等离子体泵,其包括具有靠近处理区域的第一等离子体密度和靠近出口区域的第二等离子体密度的等离子体处理装置。 等离子体泵包括在出口区域处流体耦合到等离子体处理装置的级间等离子体(ISP)源,ISP源包括具有第三等离子体密度的级间等离子体区域; 以及流体耦合到ISP的等离子体泵,等离子体泵具有第四等离子体密度,其中泵送速度取决于第三等离子体密度和第四等离子体密度。 ISP源增加第三种等离子体密度以提高泵送效率。
    • 10. 发明申请
    • VERTICALLY TRANSLATABLE CHUCK ASSEMBLY AND METHOD FOR A PLASMA REACTOR SYSTEM
    • 用于等离子体反应器系统的垂直可翻转组件和方法
    • WO02059933A3
    • 2002-10-10
    • PCT/US0148851
    • 2001-12-20
    • TOKYO ELECTRON LTDJOHNSON WAYNE LFINK STEVEN TBROWNING JEFFJEVTIC JOVAN
    • JOHNSON WAYNE LFINK STEVEN TBROWNING JEFFJEVTIC JOVAN
    • H01J37/32H01L21/00
    • H01L21/67069H01J37/32082H01J37/32174
    • A chuck assembly (110) for supporting a workpiece (116) within a plasma reactor chamber (60) having sidewalls (64) surrounding an interior region (65) capable of supporting a plasma. The assembly includes a chuck base (130) and a plurality of support arms (150A-150C) extending outwardly from the chuck base perimeter to the chamber sidewalls. The support arms are adapted to support the chuck base within the interior region, while also being adapted to provide a path for mechanically, electrically, pneumatically and/or fluidly communicating with the chuck assembly from outside the chamber. The chuck assembly includes a workpiece support member (160) arranged above the chuck base, capable of supporting the workpiece and serving as a chuck electrode. The workpiece support member is supported by one or more vertical translation member (168) arranged between and operatively connected to the chuck base and the workpiece support member. The chuck assembly includes a match network (180MN), wherein at least a portion of the match network is mounted directly to the workpiece support member. The use of the support arms allows for the positioning of a vacuum pump system (250) directly beneath the chuck assembly.
    • 一种用于在具有围绕能够支撑等离子体的内部区域(65)的侧壁(64)的等离子体反应器室(60)内支撑工件(116)的卡盘组件(110)。 组件包括卡盘基座(130)和从卡盘基部周边向外延伸到腔室侧壁的多个支撑臂(150A-150C)。 所述支撑臂适于在所述内部区域内支撑所述卡盘基座,同时还适于提供用于从所述腔室外部与所述卡盘组件机械,电气,气动和/或流体连通的路径。 卡盘组件包括布置在卡盘基座上方的能够支撑工件并用作卡盘电极的工件支撑构件(160)。 工件支撑构件由一个或多个垂直平移构件(168)支撑,该垂直平移构件布置在卡盘基座和工件支撑构件之间并且可操作地连接到卡盘基座和工件支撑构件上。 卡盘组件包括匹配网络(180MN),其中匹配网络的至少一部分直接安装到工件支撑构件。 支撑臂的使用允许将真空泵系统(250)直接定位在卡盘组件的正下方。