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    • 7. 发明授权
    • Semiconductor surface measurement system and method
    • 半导体表面测量系统及方法
    • US5956148A
    • 1999-09-21
    • US989904
    • 1997-12-12
    • Francis G. Celii
    • Francis G. Celii
    • G01B11/06G01J4/00
    • G01B11/0641
    • A semiconductor surface measurement system (100) is disclosed. In this system, a plurality of wafers (106), each having an exposed surface, are held by a wafer positioning system (104), which sequentially moves the wafers into a measurement zone. A wafer position detection system (124) detects the position of a selected wafer, and generates an output signal indicating the position of the selected wafer. A surface measurement apparatus (114 through 121, 130 through 142) measures a property of the exposed surface of the selected wafer (106) in response to the output signal of the wafer position detection system (124) when the selected wafer is in the measurement zone. The disclosed surface measurement system (100)may be used to gather real-time data concerning surface properties such as composition, roughness and epilayer thickness during multi-wafer semiconductor processing.
    • 公开了半导体表面测量系统(100)。 在该系统中,每个具有暴露表面的多个晶片(106)由晶片定位系统(104)保持,晶片定位系统(104)将晶片顺序地移动到测量区域中。 晶片位置检测系统(124)检测所选晶片的位置,并产生指示所选晶片的位置的输出信号。 当所选晶片处于测量状态时,表面测量装置(114至121,130至142)响应于晶片位置检测系统(124)的输出信号测量所选晶片(106)的暴露表面的性质 区。 公开的表面测量系统(100)可以用于收集关于多晶片半导体处理期间的表面特性(例如组成,粗糙度和外延层厚度)的实时数据。