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    • 1. 发明授权
    • Method for monitoring alternating current discharge on a double electrode and apparatus
    • 双电极交流放电监测方法及装置
    • US06420863B1
    • 2002-07-16
    • US09581208
    • 2000-06-21
    • Falk MildeTorsten WinklerAndreas FickertVolker KirchhoffMatthias Fahland
    • Falk MildeTorsten WinklerAndreas FickertVolker KirchhoffMatthias Fahland
    • G01R1716
    • H01J37/3444H01J37/3405H05H1/0081
    • Process for monitoring an alternating-voltage discharge between the electrodes of a double electrode and an apparatus. The process includes measuring values of at least one of a discharge current and a discharge voltage for each half-wave within an alternating-voltage discharge period, determining a difference between the measured values of a second half-wave and the measured values of the first half-wave, and comparing the determined differences to specific tolerance values. When the specific tolerance values are exceeded by the determined differences, a power supply is reduced, whereby the discharge is at least briefly suppressed. The apparatus includes a double magnetron including first and second targets arranged to form a double electrode, and a power supply coupled to supply power to the first and second targets. The power supply includes a measurement unit for measuring values of at least one of discharge current and discharge voltage, such that at least one of a discharge current and a discharge voltage for each half-wave within an alternating-voltage discharge period is measured. A device for determining a difference between the measured values of a second half-wave and the measured values of the first half-wave is provided, as well as a device for comparing the determined differences to specific tolerance values, and a device for at least briefly suppressing the discharge when the specific tolerance values are exceeded by the determined differences.
    • 用于监视双电极的电极与装置之间的交流电压放电的方法。 该过程包括在交流电压放电周期内测量每个半波的放电电流和放电电压中的至少一个的值,确定第二半波的测量值与第一半波的测量值之间的差值 半波,并将确定的差异与特定容差值进行比较。 当通过所确定的差异超过特定公差值时,电源减少,从而至少简化了放电。 该装置包括双重磁控管,其包括布置成形成双电极的第一和第二靶,以及耦合以向第一和第二靶提供电力的电源。 电源包括测量单元,用于测量放电电流和放电电压中的至少一个的值,以便测量交流电压放电周期内的每个半波的放电电流和放电电压中的至少一个。 提供了一种用于确定第二半波的测量值与第一半波的测量值之间的差异的装置,以及用于将确定的差异与特定公差值进行比较的装置,以及用于至少 当确定的差异超过特定公差值时,暂时抑制放电。