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    • 3. 发明申请
    • METHOD AND APPARATUS FOR FAST GAS EXCHANGE, FAST GAS SWITCHING AND PROGRAMMABLE GAS DELIVERY
    • 用于快速气体交换,快速气体切换和可编程气体输送的方法和装置
    • WO2013002885A1
    • 2013-01-03
    • PCT/US2012/034905
    • 2012-04-25
    • APPLIED MATERIALS, INC.SINGH, SaravjeetNANGOY, Roy C.
    • SINGH, SaravjeetNANGOY, Roy C.
    • H01L21/02H01L21/3065H01L21/205
    • H01L21/67017H01L21/6719Y10T137/0318Y10T137/87096
    • Embodiments of the invention relate to a gas delivery system. The gas delivery system includes a fast gas exchange module in fluid communication with one or more gas panels and a process chamber. The fast gas exchange module has first and second sets of flow controllers and each of first and second sets of flow controllers has multiple flow controllers. The flow controller is configured such that each of the flow controllers in the first and second sets of the flow controllers is independently operated to selectively open to divert gas to the process chamber or an exhaust. The first and second sets of flow controllers are operated for synchronized switching of gases in a pre-determined timed sequence of flow controller actuation. The invention enables fast switch of resultant gas flow in the process chamber while having individual flow controller operated at lower switching speed to provide longer service life.
    • 本发明的实施例涉及一种气体输送系统。 气体输送系统包括与一个或多个气体面板和处理室流体连通的快速气体交换模块。 快速气体交换模块具有第一和第二组流量控制器,并且第一和第二组流量控制器中的每一个具有多个流量控制器。 流量控制器被配置为使得第一和第二组流量控制器中的每个流量控制器被独立地操作以选择性地打开以将气体转移到处理室或排气口。 第一和第二组流量控制器用于以预定的流量控制器致动的定时顺序同步切换气体。 本发明能够在处理室中快速切换合成气流,同时具有以较低切换速度操作的单独流量控制器以提供更长的使用寿命。