Patent ID: 6604010
Filing Date: 2003-08-05
Classification: G05B,H01L,Y02P

Abstract:
A system for selectively managing workpieces, comprising:a database for storing workpiece information and job schedule information on workpieces and a cassette containing the workpieces; an equipment for receiving the cassette and executing a job on the workpieces in one of the operational modes according to the workpiece information and job schedule information; and a controller referring to the workpiece information and the job schedule information stored in the database and controlling the equipment to execute the job when the cassette is loaded into the equipment, wherein the operational modes comprising: (a) a first mode for selecting the workpieces having the same job schedule and executing the job on the selected workpieces under the same job schedule, (b) a second mode for selecting all the workpieces and executing the job on all the workpieces under the same job schedule, (c) a third mode for selecting one of the workpiece and executing the job on the selected workpiece under the job schedule specifically provided thereto, and (d) a fourth mode for selecting all the workpieces and executing the job on all the workpieces under the different job schedules provided respectively thereto.