KLA
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The KLA AIT XUV is a darkfield defect inspection system. The KLA AIT XUV handles 12-inch wafers. The KLA AIT XUV was built in 2006.[1][2]

The KLA AIT XUV is a darkfield defect inspection system designed for semiconductor wafer inspection. The system is used for detecting surface defects such as particles, scratches, and other anomalies on wafers.
Darkfield inspection systems operate by directing a laser beam at a shallow angle onto the wafer surface. Defects on the surface scatter light, which is collected by optics positioned to capture only scattered light, while the specular reflection is excluded. The collected scattered light is then analyzed to map defect locations.
In a semiconductor fabrication facility, darkfield defect inspection tools like the AIT XUV are typically used for in-line monitoring after key process steps such as deposition, etching, and chemical mechanical polishing. The system helps detect contamination and process-induced defects before subsequent lithography or processing steps.
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The following facts about the AIT XUV Darkfield Defect are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
Fewer than 3 independently cited specifications for the AIT XUV Darkfield Defect are on record; the remainder await public documentation.
Answerable by: an OEM datasheet, a cleanroom equipment inventory, or an engineer who operated or installed it
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the AIT XUV Darkfield Defect are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the AIT XUV Darkfield Defect are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the AIT XUV Darkfield Defect are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the AIT XUV Darkfield Defect are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
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Last updated Sep 27, 2026.
The KLA .204 PSL Wafer is an 8-inch NIST-traceable reference wafer compatible with Surfscan 6xy0 and Sp1 particle counters.
KLA .496 PSL Wafer is an 8-inch NIST traceable wafer stated to be capable on Surfscan 6xy0 and SP1.
The KLA .498 PSL Wafer is a NIST traceable reference wafer.