Patent ID: 6623231
Filing Date: 2003-09-23
Classification: H01L

Abstract:
A plant for producing semiconductor products, including wafers, the plant comprising:at least one clean room; a plurality of processing stations disposed in said clean room, each of said processing stations containing at least one unit selected from the group consisting of production units and measuring units, said unit having a loading station and an unloading station, each of said processing stations having a production buffer for storing cassettes containing the semiconductor products, said production buffer disposed such that said loading station and said unloading station remove the cassettes from said production buffer and introduce the cassettes into said unit or remove the cassettes from said unit; a handling device formed as a rack operating device for automatic delivery and outward transport of the semiconductor products to and from said production buffer, said rack operating device having at least two spaces, a first of said spaces for supplying said cassettes to said production buffer and a second of said spaces for receiving said cassettes from said production buffer; and a conveyor system interconnecting said processing stations.