Equipment for and method of detecting faults in...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system

Reexamination Certificate

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Reexamination Certificate

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10107297

ABSTRACT:
An equipment for detecting faults in semiconductor integrated circuits includes a fault input unit to input fault information for the integrated circuits formed on a semiconductor wafer, a superimposing unit to superimpose the fault information with repeating units within the surface of the semiconductor wafer, and a first characteristic factor calculation unit to calculate a first characteristic factor showing a degree to which faults are repeated every repeating unit.

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patent: 2000-269276 (2000-09-01), None
Co-pending Patent Application of: Kunihiro Mitsutake et al. Method, Apparatus, and Computer Program of Searching for Clustering Faults in Semiconductor Device Manufacturing U.S. Appl. No. 09/931,916, filed Aug. 20, 2001.

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