KLA
The KLA P 16 + is a stylus profilometer. The KLA P 16 + is used for surface metrology and inspection. The KLA P 16 + supports wafer sizes from 2 inch to 12 inch.[1][2]

A stylus profilometer is a surface metrology tool used to trace surface height changes across a sample. Stylus profilometers are used in semiconductor and microsystems work to measure topography features such as steps, trenches, films, and surface texture.
The KLA P 16 + Profiler has a fully motorized X-Y, Z, theta, and level stage. The KLA P 16 + Profiler has a vertical range of 327 µm.[1]
Profilometers are typically used after a process step has created or modified surface relief, film thickness, or surface texture. Profilometers commonly sit in metrology loops around deposition, etch, planarization, and packaging-related operations, where the measured profile helps verify process results before the next manufacturing step.
The KLA P 16 + Profiler is used for CMP monitoring and bump metrology. The KLA P 16 + Profiler is used for thin film thickness, roughness, and stress analysis. The KLA P 16 + Profiler is used for etch rate and trench depth analysis.[1]
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The KLA P 16 + Profiler has a vertical range of 327 µm.[1]
The following facts about the P 16 + 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 P 16 + are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the P 16 + 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 P 16 + 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 P 16 + are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the P 16 + is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 17, 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.