Waferpedia

KLA

.204 PSL Wafer

Provisional entry — research in progress

This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.

The KLA .204 PSL Wafer is an 8-inch NIST-traceable reference wafer. The KLA .204 PSL Wafer is compatible with Surfscan 6xy0 and Sp1 particle counters.[1][2]

KLA.204 PSL Wafer
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What it is

The KLA .204 PSL Wafer is an eight-inch NIST-traceable reference wafer used for calibrating particle detection systems. The KLA .204 PSL Wafer is compatible with Surfscan 6xy0 and Sp1 particle counters.[1][2][3]

Where it fits in the process flow

General reference — not yet source-verified

The KLA .204 PSL Wafer is used in the metrology and inspection segment of semiconductor manufacturing, specifically for calibrating particle detection tools. The wafer is employed as a reference standard during tool qualification, periodic recalibration, and sensitivity verification of surface inspection systems.

What do the numbers mean?

Wafer handling1

Wafer Size
8 inch[1]
Accurate?

Configuration & options6

NIST Traceable[1]
Accurate?
Capable on Surfscan 6xy0 and Sp1[1]
Accurate?
Traceability
NIST[3]
Accurate?
Compatible Tools
Surfscan 6xy0, Sp1[1]
Accurate?
NIST Traceable
Yes[1]
Accurate?
Compatible Tools
Surfscan 6xy0 and Sp1[1]
Accurate?
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Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

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Frequently asked questions

What wafer size is the KLA .204 PSL Wafer?

The KLA .204 PSL Wafer is an 8-inch wafer.[1][2]

What inspection tools is the KLA .204 PSL Wafer compatible with?

The wafer is compatible with Surfscan 6xy0 and SP1 tools.[1][2]

Is the KLA .204 PSL Wafer NIST traceable?

Yes, the wafer is NIST traceable.[1][2]

Not publicly documented

The following facts about the .204 PSL Wafer 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 .204 PSL Wafer are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • No publicly documented variants, configuration options, or revision breakpoints of the .204 PSL Wafer 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 .204 PSL Wafer 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 .204 PSL Wafer are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the .204 PSL Wafer is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (6)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2].204 PSL Wafer — KLA | Specs, Sourcing & Service | Waferpedia — waferpedia.comwaferpedia.com
  3. [3]waferpedia.com — waferpedia.comwaferpedia.com
  4. [4]KLA .204 PSL Wafer vs KLA 2135 | Waferpedia — waferpedia.comwaferpedia.com
  5. [5]KLA .204 PSL Wafer vs KLA Alpha Step 500 | Waferpedia — waferpedia.comwaferpedia.com
  6. [6]KLA .204 PSL Wafer vs KLA P 22 Surface | Waferpedia — waferpedia.comwaferpedia.com
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Last updated Oct 6, 2026.

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