In a tray conveying apparatus and method for, for instance, semiconductor parts, a main station and substation which have a tray conveying function are driven slidably in a direction perpendicular to a tray conveying line by a station sliding mechanism. When the preparation of a satisfactory-parts tray...http://www.google.ca/patents/US6283695?utm_source=gb-gplus-sharePatent US6283695 - Tray conveying apparatus and method
