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    • 5. 发明申请
    • ETCH CHAMBER WITH DUAL FREQUENCY BIASING SOURCES AND A SINGLE FREQUENCY PLASMA GENERATING SOURCE
    • 具有双频偏置源的ETCH室和单频等离子体生成源
    • WO2004015738A1
    • 2004-02-19
    • PCT/US2003/024892
    • 2003-08-07
    • APPLIED MATERIALS, INC.
    • CHEN, Jin-YuanHOOSHDARAN, Frank, F.PODLESNIK, Dragan, V.
    • H01J37/32
    • H01J37/321H01J37/32706
    • A method and apparatus for selectively controlling a plasma in a processing chamber during wafer processing. The method includes providing process gasses into the chamber over a wafer to be processed, and providing high frequency RF power to a plasma generating element and igniting the process gases into the plasma. Modulated RF power is coupled to a biasing element, and wafer processing is performed according to a particular processing recipe. The apparatus includes a biasing element disposed in the chamber and adapted to support a wafer, and a plasma generating element disposed over the biasing element and wafer. A first power source is coupled to the plasma generating element, and a second power source is coupled to the biasing element. A third power source is coupled to the biasing element, wherein the second and third power sources provide a modulated signal to the biasing element.
    • 一种用于在晶片处理期间选择性地控制处理室中的等离子体的方法和装置。 该方法包括在要处理的晶片上的室中提供过程气体,以及向等离子体产生元件提供高频RF功率,并将工艺气体点燃到等离子体中。 调制的RF功率耦合到偏置元件,并且根据特定的处理配方执行晶片处理。 该装置包括设置在腔室中并适于支撑晶片的偏置元件和设置在偏置元件和晶片上方的等离子体产生元件。 第一电源耦合到等离子体发生元件,并且第二电源耦合到偏置元件。 第三电源耦合到偏置元件,其中第二和第三电源向偏置元件提供调制信号。
    • 6. 发明申请
    • FIXED MATCHING NETWORK WITH INCREASED MATCH RANGE CAPABILITIES
    • 固定匹配网络具有增加的匹配范围能力
    • WO2004015861A1
    • 2004-02-19
    • PCT/US2003/024905
    • 2003-08-07
    • APPLIED MATERIALS, INC.
    • CHEN, Jin-YuanJUN, Doug, S.HOOSHDARAN, Frank, F.
    • H03H7/40
    • H01J37/32174H01J37/32082H03H7/38H03H21/0012
    • A matching network for performing frequency tuned matching between a source and a load. The matching network includes a first capacitor and first inductor, having fixed values, coupled in series from an input port to an output port. A second capacitor and second inductor, having fixed values, is coupled in series from one of the input port and output port to ground. The input port is adapted to receive a variable frequency RF signal and the output port is adapted to be coupled to a time-variant load impedance. The values of the first inductor and first capacitor are related by a first mathematical relationship, and the values of the second inductor and second capacitor are related by a second mathematical relationship. The substantial impedance range of the matching network enables a match to be maintained over a large fluctuation in load impedance.
    • 用于在源和负载之间执行频率调谐匹配的匹配网络。 匹配网络包括具有从输入端口到输出端口串联耦合的固定值的第一电容器和第一电感器。 具有固定值的第二电容器和第二电感器从输入端口和输出端口之一串联耦合到地。 输入端口适于接收可变频率RF信号,并且输出端口适于耦合到时变负载阻抗。 第一电感器和第一电容器的值通过第一数学关系相关,并且第二电感器和第二电容器的值通过第二数学关系相关联。 匹配网络的实质阻抗范围使得能够在负载阻抗的大波动下保持匹配。