High Performance Wafer Reader
Cognex Corp. announces its In-Sight 1720 model high-performance wafer reader, joining the 1721 and 1722 models to provide semiconductor fabricators and equipment manufacturers with automated wafer identification at different price points. Model 1720 features OCR and barcode reading in a standalone package with a 752 × 480 CMOS sensor that is suitable for both new equipment and retrofits. Model 1721 incorporates a high-resolution 1024 × 768 CCD for 300 mm wafers with T7 data matrix codes. Model 1722 includes infrared lighting for ultra-thin oxide, nitride and polyimide wafer coatings.