Probabilistic dispatching method and arrangement

Details Probabilistic dispatching method and arrangement Probabilistic dispatching method and arrangement

1997-12-12

2000-08-22

Grant, William

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

700 95, 700 99, 700121, G06F 1900, G06F 1700

Patent

active

061085855

ABSTRACT:
A probabilistic dispatching method and arrangement for directing the movement of wafers in a manufacturing process. In a manufacturing process, some process steps may be performed by tools at alternate locations. Delivery of the material from one manufacturing process step to the next occurs via a rail for transporting the material and stockers for holding the material until the processing can commence. While awaiting processing, material may be moved from one stocker to a stocker at an alternate location and then removed for processing. A distribution of removal events is maintained for process steps having alternate locations, wherein a removal event refers to removal of material from a stocker for processing. When material is returned to a stocker for delivery to another stocker to await a subsequent processing step, the other stocker is identified as a function of the distribution of removal events for the subsequent processing step.

REFERENCES:
patent: 4829445 (1989-05-01), Burney
patent: 5467285 (1995-11-01), Flinn et al.
patent: 5493501 (1996-02-01), Kondo
patent: 5737228 (1998-04-01), Ishizuka et al.
patent: 5805452 (1998-09-01), Anthony et al.
patent: 5838566 (1998-11-01), Conboy et al.
patent: 5867388 (1999-02-01), Okumura et al.
patent: 5880960 (1999-03-01), Lin et al.
patent: 5889673 (1999-03-01), Pan et al.

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