Dynamic bottleneck analytical method of semiconductor production line
A bottleneck analysis and production line technology, applied in the direction of comprehensive factory control, electrical program control, comprehensive factory control, etc., can solve the problems of reducing the timeliness, backwardness and lack of production control
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[0094] The content of the present invention will be described in detail below with reference to the drawings and specific examples.
[0095] Taking a semiconductor production line standard model HP24 as an example, the technical scheme adopted by the present invention is analyzed in detail, where HP24 is a model developed by the silicon wafer production technology center. The model has 24 equipment groups, a total of 72 equipment, including 4 batch processing equipment, 68 single-piece processing equipment, a total of 3 types of products are processed.
[0096] This paper builds the HP24 semiconductor production line model on the Plant Simulation platform, adopts the fixed feeding strategy CONWIP, sets the WIP value between 25 lots and 35 lots, and uses the FLNQ (Longest Lots at the Next) based on the balance of the production line. Queue) rules, the simulation runs, the simulation time is 3 years (25920 hours), and the pre-simulation time is half a year (4320 hours); during the si...
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