Research on WIP dispatch rules base on dynamic standard whole process cycle time

Most wafer fab in semiconductor manufacturing industry adopt order delivery mode, and cycle time is the key index to measure whether orders can be delivered on time. In order to ensure the timely delivery of products, the choice of dispatch mode is importance. In this paper, taking the punctual delivery rate as the production goal, the dynamic production cycle time target decomposition based on data drive is proposed to realize the real-time update of the standard production cycle time of the whole process stage, and based on the standard production cycle time, the dynamic priority change system is established, which gives the dynamic real-time priority for local dispatch demand, achieves the dynamic allocation of production line machine and resource, and ensures the smooth delivery of the production.