Entegris, Inc. , a leader in yield-enhancing materials and solutions for highly advanced manufacturing environments, has expanded its wafer shipper family of products with the SmartStack 300 mm Contactless Horizontal Wafer Shipper . The SmartStack 300 mm is the industry's first contactless horizontal wafer shipper capable of holding a full lot of 25 wafers, almost twice the capacity of competitive wafer shippers.