Karl Suss   REFURBISHED MA6 Mask Aligner 1000 W Power Supply Up to 6″ Wafers, W/ 3” IR Chuck and 7×7” Mask Holder, 1 Micron resolution on 6” Wafers Split Field Microscope with 6 objectives 30-day refurbished system warranty to USA only 3” Wafer IR Option Available  Back Side Illumination of 4” Wafers Available Back Side Illumination of 6” Wafers Available YouTube Vid with more pix: More Info? Use FORM?