KLA
The KLA Surfscan SP 2 is a particle defect inspection system. The KLA Surfscan SP 2 provides <37 nm defect sensitivity on polished bare silicon. The KLA Surfscan SP 2 supports wafer sizes of 6, 8, and 12 inches.[1][2]

Wafer size
300mm
Vacuum
Vacuum 300mm/200mm[2]
Performance
Optimized Sensitivity & Throughput[1]
Optics
UV Laser[1]
The Surfscan SP 2 is configured for 300 mm (12 inch), 200 mm (8 inch), and 150 mm (6 inch) wafer sizes, and includes a vacuum wafer handler with a dual FIMS (Front-Opening Interface Mechanical Standard) load port and a Yaskawa robot.[1][2]
The tool is equipped with a UV laser source and provides optimized sensitivity and throughput, with a specified defect sensitivity below 37 nm on polished bare silicon.[1]
A real-time defect classification (RTDC) system analyzes the scattering signals to distinguish particle defects from other surface anomalies, producing a defect map with zoom capability.[1]
The system supports multiple inspection modes, including a Standard Throughput Inspection Mode and a High Sensitivity Inspection Mode, and includes features such as SURFimage, haze measurement, haze line classification, and geographic grading and sorting of defects.[1]
The tool is also employed to qualify next-generation substrates including SOI (silicon-on-insulator) and strained SOI wafers, and to monitor process tool performance at technology nodes from 90 nm down to 45 nm.[1]
The system provides haze analysis and normalization, optical filtering, enhanced XY coordinate accuracy, adjustable edge exclusion down to 2 mm, and standard and advanced classification packages for light-point defects (LPD-N and LPD-ES).[1]
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The KLA Surfscan SP 2 supports 6-, 8-, and 12-inch wafer sizes.[1][2]
The system achieves a defect sensitivity of less than 37 nanometers on polished bare silicon.[1]
The Surfscan SP 2 offers oblique and normal dark-field illumination modes.[1][2]
The system includes standard throughput inspection mode and high sensitivity inspection mode.[1]
Yes, the Surfscan SP 2 includes Real-Time Defect Classification (RTDC) capability.[1]
The following facts about the Surfscan SP 2 Particle 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.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the Surfscan SP 2 Particle 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 Surfscan SP 2 Particle 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 Surfscan SP 2 Particle 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 Surfscan SP 2 Particle Defect are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Surfscan SP 2 Particle Defect is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Sep 30, 2026.
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