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    • 6. 发明公开
    • 진공 챔버의 냉각수 제어 시스템
    • 真空室的冷却控制系统
    • KR1020040049906A
    • 2004-06-14
    • KR1020020076873
    • 2002-12-05
    • 삼성전자주식회사
    • 최성철
    • H01L21/02
    • PURPOSE: A coolant control system of a vacuum chamber is provided to control the temperature of the vacuum chamber by accurately controlling the quantity of the coolant supplied to a detour supply pipe and a control valve installed in the detour supply pipe even if a switch valve is closed to perform a high temperature process. CONSTITUTION: Coolant is circulated in a coolant tank(22). A supply pipe supplies coolant to the vacuum chamber(24), connected to the coolant tank. A collecting pipe sends the coolant passing through the vacuum chamber to the coolant tank, connected to the supply pipe. The switch valve(26) switches on/off the supply of the coolant to the vacuum chamber, installed in the supply pipe. The detour supply pipe(28) interconnects the supply pipes at both sides of the switch valve with respect to the switch valve. A control valve(21) accurately controls the quantity of the coolant supplied to the vacuum chamber through the detour supply pipe while the switch valve is closed, installed in the detour supply pipe.
    • 目的:提供真空室的冷却剂控制系统,以便通过精确地控制供应给绕行供应管的冷却剂的供应量和安装在迂回供应管中的控制阀来控制真空室的温度,即使开关阀为 关闭进行高温过程。 构成:冷却剂在冷却剂箱(22)中循环。 供应管将冷却剂提供给连接到冷却剂箱的真空室(24)。 收集管将通过真空室的冷却剂送到连接到供应管的冷却剂箱。 开关阀(26)将冷却剂的供给开关于安装在供给管内的真空室。 迂回供给管28将切换阀两侧的供给管相对于切换阀相互连接。 控制阀(21)在切换阀关闭时通过迂回供给管精确地控制供给到真空室的冷却剂的量,该数量安装在绕行供给管内。
    • 10. 发明公开
    • 플라즈마 진단장치 및 그 제어방법
    • 等离子体诊断装置及其控制方法
    • KR1020120041427A
    • 2012-05-02
    • KR1020100102874
    • 2010-10-21
    • 삼성전자주식회사
    • 손길수김수홍김명운조형철최성철
    • H01L21/66H01L21/205H01L21/3065
    • H01J37/32917H01J37/32926H01J37/3299
    • PURPOSE: A plasma diagnostic apparatus and a control method thereof are provided to measure minute plasma changes of without changing the inside structure of a chamber by diagnosing the state of the plasma by using a signal flowing in an electrode which floats within the chamber. CONSTITUTION: A top electrode(12) which is provided on the inner side of a chamber part(10) is composed of a conductive material. A radio frequency generator generates plasma in inside the chamber part by applying radio frequency power to a bottom electrode(11). A frequency signal flows to a direct current generator through the top electrode. A low pass filter(20) is installed between the top electrode and the direct current generator. A current sensor senses the current in the frequency signal flowing from the top electrode to the direct current generator.
    • 目的:提供一种等离子体诊断装置及其控制方法,用于通过使用在室内漂浮的电极中流动的信号来诊断等离子体的状态而不改变室的内部结构来测量微小的等离子体变化。 构成:设置在室部(10)的内侧的顶部电极(12)由导电材料构成。 无线电频率发生器通过向底部电极(11)施加射频功率来在室部分内部产生等离子体。 频率信号通过顶部电极流到直流发电机。 在顶部电极和直流发电机之间安装有低通滤波器(20)。 电流传感器感测从顶部电极流向直流发电机的频率信号中的电流。