Abstract
This paper presents the utilization of a drum-buffer-rope (D-B-R) system within a wafer fabrication facility, based on theory of constraint techniques. These techniques, described in the book entitled Goal written by Dr. Eli Goldratt, focus on constraint management and cause-effect relationships. This paper will focus on the tools utilized within the production work areas to effectively manage product mix, inventory levels, and throughput quantities. The electronic buffer screen, designed and created by Harris Semiconductor, will be the primary focus around effective utilization of the D-B-R system and interaction with on-line production personnel. Self-managed work teams, at Harris Semiconductor in Mountaintop, Pennsylvania, use constraint management techniques to ensure continuous improvement and customer satisfaction. Local results will be identified to support the effective utilization of the D-B-R system within a complex manufacturing process. Results include improvement in throughput, inventory control, and cycle time.
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