发明名称 Method of inspecting electric characteristics of wafers and apparatus therefor
摘要 In a method of inspecting the electric characteristics of wafers, detecting for second and subsequent alignment operations of probe cards is automatically executed. In an apparatus for inspecting the electric characteristics of wafer, different types of wafers can be continuously inspected using the same probe card on the basis of prestored alignment data of each type of wafers.
申请公布号 US5124931(A) 申请公布日期 1992.06.23
申请号 US19890420525 申请日期 1989.10.12
申请人 TOKYO ELECTRON LIMITED 发明人 IWAMATSU, MASAAKI;TAKEBUCHI, RYUICHI;MARUMO, YOSHIHITO;KARASAWA, WATARU
分类号 G01R31/28 主分类号 G01R31/28
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