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    • 6. 发明申请
    • PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD
    • 等离子体加工设备和等离子体处理方法
    • US20130045547A1
    • 2013-02-21
    • US13236800
    • 2011-09-20
    • Masaru IZAWAKouichi YamamotoKenji NakataAtsushi Itou
    • Masaru IZAWAKouichi YamamotoKenji NakataAtsushi Itou
    • H01L21/66C23F1/08
    • H01J37/32972H01J37/32899H01L21/32137
    • In a plasma processing apparatus in which a wafer is processed while supplying radio frequency power to electrodes disposed in a sample stage in a processing chamber within a reactor via a matching box, by matching a specific value of power at transition points of data values of at least two kinds among characteristic data including light emission intensity of the plasma, magnitude of its time variation, a matching position of the matching box, and a change of a value of a voltage of the radio frequency power supplied to the electrodes detected by varying the power to a plurality of values during the processing with a value detected by using characteristic data which is detected during the processing executed on a wafer of the same kind in a different reactor, the differences of the states inside the processing chamber or plasma among a plurality of semiconductor processing apparatuses or reactors are reduced.
    • 在等离子体处理装置中,其中通过匹配箱向电抗器内的处理室内的设置在样品台中的电极提供射频功率,通过匹配在at的数据值的转换点处的功率的特定值来处理晶片 特征数据中包括等离子体的发光强度,其时间变化的大小,匹配箱的匹配位置以及提供给电极的射频功率的电压值的变化等特性数据中的至少两种, 在处理期间利用通过使用在不同反应器中的相同晶片上执行的处理期间检测到的特征数据检测到的值而获得多个值的功率,多个处理室或等离子体之间的状态之间的差异 的半导体处理装置或反应堆。