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    • 1. 发明申请
    • METHODS FOR CONTROLLING TIME SCALE OF GAS DELIVERY INTO A PROCESSING CHAMBER
    • 用于控制气体输送到加工室的时间尺度的方法
    • WO2009155221A3
    • 2010-03-25
    • PCT/US2009047279
    • 2009-06-12
    • LAM RES CORPYUN GUNSUSHAREEF IQBAL AJORGENSEN KURTCHARATAN ROBERT
    • YUN GUNSUSHAREEF IQBAL AJORGENSEN KURTCHARATAN ROBERT
    • H01L21/00H01L21/02
    • G05D7/0635Y10T137/7761
    • A method for establishing a mass flow controller (MFC) control scheme, which is configured for reducing a time scale for gas delivery into a processing chamber, for a recipe is provided. The method includes identifying a set of delayed gas species utilized during execution of the recipe with a set of delivery time slower than a target delivery time scale. The method also includes establishing an initial overshoot strength and an initial overshoot duration for each gas specie of the set of delayed gas species. The method further includes establishing MFC control scheme by adjusting an MFC hardware for each gas specie during the execution of the recipe. Adjusting the MFC hardware includes applying the initial overshoot strength for the initial overshoot duration to determine if the MFC control scheme provides for each gas specie a pressure profile within a target accuracy of an equilibrium pressure for the processing chamber.
    • 提供了一种用于建立质量流量控制器(MFC)控制方案,其被配置为用于减少用于配方的气体输送到处理室中的时间标度。 该方法包括在具有比目标递送时间标度慢的一组递送时间的情况下识别在执行配方期间使用的一组延迟气体种类。 该方法还包括为该组延迟气体种类的每种气体物质建立初始过冲强度和初始过冲持续时间。 该方法还包括在执行配方期间通过调整每种气体样品的MFC硬件来建立MFC控制方案。 调整MFC硬件包括对初始过冲持续时间应用初始过冲强度,以确定MFC控制方案是否为每种气体提供在处理室的平衡压力的目标精度内的压力分布。
    • 2. 发明申请
    • METHODS FOR CONTROLLING TIME SCALE OF GAS DELIVERY INTO A PROCESSING CHAMBER
    • 用于控制气体输送到加工室的时间尺度的方法
    • WO2009155221A2
    • 2009-12-23
    • PCT/US2009/047279
    • 2009-06-12
    • LAM RESEARCH CORPORATIONYUN, GunsuSHAREEF, Iqbal, A.JORGENSEN, KurtCHARATAN, Robert
    • YUN, GunsuSHAREEF, Iqbal, A.JORGENSEN, KurtCHARATAN, Robert
    • H01L21/00H01L21/02
    • G05D7/0635Y10T137/7761
    • A method for establishing a mass flow controller (MFC) control scheme, which is configured for reducing a time scale for gas delivery into a processing chamber, for a recipe is provided. The method includes identifying a set of delayed gas species utilized during execution of the recipe with a set of delivery time slower than a target delivery time scale. The method also includes establishing an initial overshoot strength and an initial overshoot duration for each gas specie of the set of delayed gas species. The method further includes establishing MFC control scheme by adjusting an MFC hardware for each gas specie during the execution of the recipe. Adjusting the MFC hardware includes applying the initial overshoot strength for the initial overshoot duration to determine if the MFC control scheme provides for each gas specie a pressure profile within a target accuracy of an equilibrium pressure for the processing chamber.
    • 提供了一种用于建立质量流量控制器(MFC)控制方案,其被配置为用于减少用于配方的气体输送到处理室中的时间标度。 该方法包括在具有比目标递送时间标度慢的一组递送时间的情况下识别在执行配方期间使用的一组延迟气体种类。 该方法还包括为该组延迟气体种类的每种气体物质建立初始过冲强度和初始过冲持续时间。 该方法还包括在执行配方期间通过调整每种气体样品的MFC硬件来建立MFC控制方案。 调整MFC硬件包括对初始过冲持续时间应用初始过冲强度,以确定MFC控制方案是否为每种气体提供在处理室的平衡压力的目标精度内的压力分布。