Method and apparatus for fault detection classification of...

Details Method and apparatus for fault detection classification of... Method and apparatus for fault detection classification of...

2004-07-01

2008-01-22

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S048000

Reexamination Certificate

active

07321993

ABSTRACT:
The present invention is generally directed to various methods and systems for fault detection control of multiple tools based upon external data. In one illustrative embodiment, the method includes monitoring each of a plurality of tools to determine if a fault condition occurs in any of the tools, each of the tools being comprised of at least one integrated metrology device, monitoring external data regarding at least one parameter that may impact an operation performed in each of the tools, and determining if an indicated fault condition in at least one of the tools is a valid fault condition or a systemic fault condition associated with a change in a value of the at least one parameter.

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