Method and apparatus for tracking mobile work-in-process parts

Details Method and apparatus for tracking mobile work-in-process parts Method and apparatus for tracking mobile work-in-process parts

1998-08-28

2000-05-09

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

3405721, 414266, 414282, 414284, 414279, G08B 2100

Patent

active

060609923

ABSTRACT:
A mobile WIP parts tracking system useful in semi-conductor fabrication operations, includes an identifying tag fixed to each of a plurality of parts containers, and a tag reader mounted on the head of a robotic carrier which delivers the containers to and removes the containers from any or a plurality of storage bin containers within a storage facility. A control system coordinates the movements of the robotic carrier and received information from the tag reader in order to provide positive, continuous tracking of the storage bin location of each of the containers within the facility. In addition to generating continuous tracking information, the robotic carrier may be used to scan each of the storage bin locations in order to search for a desired container.

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patent: 5886634 (1999-03-01), Muhme

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