This system performs wafer centering and notch alignment using non-contact optical detecting method.Excerpted from “RA320オプション項目.docx”Insertion of a phrase into a sentence.Refer to "Communication Specifications" separately submitted for the details of the control such as the protocol specifications, etcApprox 5 secondsIn this case, the positioning speed means the time from the centering to the stop. Wafer is placed ± 3 mm away from the aligner center, and the notch rotates counterclockwise by 270 degrees from the sensor and the wafer stops.
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