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Device reads wafer ID marks
Iris P700 wafer reader is designed for reading ID marks on semiconductor wafers. It incorporates custom LED-based illumination and optics, as well as a high-resolution image sensor, in a compact remote head connected to a small-footprint processor unit based on the Intel Celeron. The processor unit runs the Matrox Imaging Library character-recognition and code-reading software, which together recognize SEMI standard alphanumeric, bar-, and matrix-code wafer ID marks.