Abelman, Frayne & Schwab
Wafer mounting method and wafer inspection device
Disclosed is a method for mounting a wafer on a probe card. In the wafer mounting method, an extendable tubular member is placed to surround the probe card, the wafer is placed on a chuck top, the chuck top is supported by a movable stage, and the stage is moved toward the probe card together with the wafer and the chuck top to bring the chuck top into contact with the tubular member. After the chuck top is in contact with the tubular member, the stage is moved toward the probe card together with the wafer and the chuck top to bring the wafer into contact with the probe card and maintain a positional relationship of the stage, the wafer, and the chuck top. After the wafer is in contact with the probe card, a space surrounded by the chuck top, the tubular member, and the probe card is evacuated.
Tokyo Electron Limited
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Hiroshi
Yamada