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    • 2. 发明申请
    • ION IMPLANTER COMPRISING INTEGRATED VENTILATION SYSTEM
    • 包含集成通风系统的离子植入体
    • WO2016069836A1
    • 2016-05-06
    • PCT/US2015/057947
    • 2015-10-29
    • ENTEGRIS, INC.
    • OLANDER, W., KarlTANG, YingCHAMBERS, Barry, LewisBISHOP, Steven, E.
    • H01J37/317H01L21/265
    • H01L21/67017C23C14/48H01J37/3171H01J2237/006H01J2237/1825H01J2237/31701H01L21/26513H01L21/67253H01L22/20
    • An ion implantation system is described, including: an ion implanter comprising a housing defining an enclosed volume in which is positioned a gas box configured to hold one or more gas supply vessels, the gas box being in restricted gas flow communication with gas in the enclosed volume that is outside the gas box; a first ventilation assembly configured to flow ventilation gas through the housing and to exhaust the ventilation gas from the housing to an ambient environment of the ion implanter; a second ventilation assembly configured to exhaust gas from the gas box to a treatment apparatus that is adapted to at least partially remove contaminants from the gas box exhaust gas, or that is adapted to dilute the gas box exhaust gas, to produce a treated effluent gas, the second ventilation assembly comprising a variable flow control device for modulating flow rate of the gas box exhaust gas between a relatively lower gas box exhaust gas flow rate and a relatively higher gas box exhaust gas flow rate, and a motive fluid driver adapted to flow the gas box exhaust gas through the variable flow control device to the treatment apparatus; and a monitoring and control assembly configured to monitor operation of the ion implanter for occurrence of a gas hazard event, and thereupon to responsively prevent gas-dispensing operation of the one or more gas supply vessels, and to modulate the variable flow control device to the relatively higher gas box exhaust gas flow rate so that the motive fluid driver flows the gas box exhaust gas to the treatment apparatus at the relatively higher gas box exhaust gas flow rate. Preferably, in a gas hazard event, the shell exhaust discharge from the housing is also terminated, to facilitate exhausting all gas within the housing, outside as well as inside the gas box, to the treatment unit.
    • 描述了一种离子注入系统,包括:离子注入机,其包括限定封闭容积的壳体,其中定位有一个配置成容纳一个或多个气体供应容器的气体箱,所述气体箱与被封闭的气体中的气体保持气流连通 在气箱外面的体积; 第一通风组件,其构造成使通气气体通过所述壳体并且将所述通气气体从所述壳体排出到所述离子注入机的周围环境; 第二通风组件,其构造成将气体从气体箱排出到处理设备,所述处理设备适于至少部分地从气体箱排气中去除污染物,或者适于稀释气体箱废气,以产生经处理的废气 ,所述第二通风组件包括可变流量控制装置,所述可变流量控制装置用于调节在相对较低的气体箱排气流量和相对较高的气体箱排气流量之间的气体箱废气的流量,以及适于流动的运动流体驱动 气箱废气通过可变流量控制装置到处理装置; 以及监测和控制组件,其被配置为监测用于发生气体危险事件的离子注入机的操作,并且随后响应地防止一个或多个气体供应容器的气体分配操作,并且将可变流量控制装置调制到 相对较高的气箱废气流量,使得动力流体驱动器以相对较高的气体箱排气流量将气体箱废气流入处理装置。 优选地,在气体危害事件中,从壳体排出的壳体排气也被终止,以便于将壳体内的所有气体以及气箱内部的所有气体排出到处理单元。