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AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorsMing-Hsiu Hsieh, Wen-Feng Wu, Min-Huey Tsai, Yao-Tung Liu, Lieh-Chang Tai
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A method for automatic scheduling of a production plan. The automatic scheduling system arranges different kinds of production plans and defines a first priority lot, a second priority lot and a normal lot in testing factories. The testing processes of the first priority lot is to decide the testing machine first, then exchanged with a running lot on this testing machine when a test piece is completed. For the second priority lot, after decides the testing machine, the second priority lot is exchanged with a running lot on the testing machine when the running lot is completed. For the normal lot, the procedure is to check if the testing machine is available and need to be setup, then use a setup reduce method to reduce the setup frequency if more than one machine is available and needs to be setup. The key to reduce setup method selects the testing machine which has minimum impact for the subsequent testing lot to get efficient use of the testing machine.
A method for scheduling a plurality of testing lots on a plurality of testing machines of a testing factory, comprising:
Dependencies are inferred from the claim text.