Patent ID: 6670568
Filing Date: 2003-12-30
Classification: H01L,Y10S

Abstract:
An installation for processing wafers in at least one clean room, comprising:a multiplicity of production units for carrying out individual production steps on the wafers; a measuring station having at least one measuring unit for inspecting the wafers and an unloading station; a transport system connecting said production units to said measuring station, said transport system feeding and removing the wafers to and from said production units and said measuring units, said unloading station delivering the wafers to said transport system; and transport containers transportable on said transport system including first transport containers for filling with defect free wafers from said measuring station, second transport containers for filling with the wafers to be reworked, and third transport containers for filling with rejected wafers, said first, second and third transport containers being marked differently, said first, second and third transport containers able to be loaded from said measuring station separately from one another via said unloading station, and said second transport containers filled with the wafers to be reworked can be fed to said production units for carrying out reworking processes.