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    • 4. 发明申请
    • Monitoring of electroplating additives
    • 电镀添加剂监测
    • US20110025338A1
    • 2011-02-03
    • US12462354
    • 2009-08-03
    • Mark J. WilleyLian GuoSteven T. Mayer
    • Mark J. WilleyLian GuoSteven T. Mayer
    • G01N27/06
    • G01N27/42
    • The working electrode in the flow channel of a flow-through electrolytic detection cell is preconditioned by flowing a preconditioning electroplating solution with preconditioner species through the flow channel while applying a negative potential. Flow of liquid through the flow channel is rapidly switched from preconditioning solution to a target solution containing an organic target solute to be measured. The transient response of the system resulting from exposure of the working electrode to organic target solute is detected by measuring current density during an initial transient time period. An unknown concentration of target solute is determined by comparing the transient response with one or more transient responses characteristic of known concentrations. A preferred measuring system is operable to switch flow from preconditioning solution to target solution in about 200 milliseconds or less.
    • 通过电流检测单元的流动通道中的工作电极通过在施加负电位的情况下通过流动通道流动具有预调节剂种类的预处理电镀溶液来预处理。 通过流动通道的液体流从预处理溶液快速切换到含有待测量的有机靶溶质的目标溶液。 通过在初始瞬变时间段内测量电流密度来检测由工作电极暴露于有机靶溶质而产生的系统的瞬态响应。 通过将瞬态响应与已知浓度特征的一个或多个瞬态响应进行比较来确定目标溶质浓度未知。 优选的测量系统可操作以在大约200毫秒或更短的时间内将流从预处理溶液切换到目标溶液。
    • 10. 发明授权
    • Monitoring of electroplating additives
    • 电镀添加剂监测
    • US08372258B2
    • 2013-02-12
    • US12462354
    • 2009-08-03
    • Mark J. WilleyLian GuoSteven T. Mayer
    • Mark J. WilleyLian GuoSteven T. Mayer
    • C25D21/14G01N27/42
    • G01N27/42
    • The working electrode in the flow channel of a flow-through electrolytic detection cell is preconditioned by flowing a preconditioning electroplating solution with preconditioner species through the flow channel while applying a negative potential. Flow of liquid through the flow channel is rapidly switched from preconditioning solution to a target solution containing an organic target solute to be measured. The transient response of the system resulting from exposure of the working electrode to organic target solute is detected by measuring current density during an initial transient time period. An unknown concentration of target solute is determined by comparing the transient response with one or more transient responses characteristic of known concentrations. A preferred measuring system is operable to switch flow from preconditioning solution to target solution in about 200 milliseconds or less.
    • 通过电流检测单元的流动通道中的工作电极通过在施加负电位的情况下通过流动通道流动具有预调节剂种类的预处理电镀溶液来预处理。 通过流动通道的液体流从预处理溶液快速切换到含有待测量的有机靶溶质的目标溶液。 通过在初始瞬变时间段内测量电流密度来检测由工作电极暴露于有机靶溶质而产生的系统的瞬态响应。 通过将瞬态响应与已知浓度特征的一个或多个瞬态响应进行比较来确定目标溶质浓度未知。 优选的测量系统可操作以在大约200毫秒或更短的时间内将流从预处理溶液切换到目标溶液。