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KLA

Archer 100 Overlay

Metrology & InspectionKLA Archer family
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KLAArcher 100 Overlay
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What it is

The KLA Archer 100 Overlay is an optical overlay metrology system for semiconductor manufacturing.[2][4][3]

How it works

The Archer 100 uses optical measurement, automated analysis, and recipe-based control to evaluate overlay error and support lithography process control.[3]

The Archer 100 platform includes AIM-based grating targets, Archer Analyzer software, automatic recipe optimization, and focus and exposure monitoring options.[3]

Where it fits in the process flow

The Archer 100 supports process control for lithography by measuring overlay error, aiding stepper matching, and helping disposition wafers and lots.[3]

Applications

The Archer 100 is used for overlay control in semiconductor fabs.[2][4][3]

What do the numbers mean?

Wafer handling1

Wafer size
12 inch[2]
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Optics & imaging1

Technology
advanced optical overlay metrology[3]
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Configuration & options5

Refurbished[1]
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Manufacturer
KLA[2]
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Model
Archer 100[2]
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Design rule support
45nm design rules and below[3]
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Capabilities
in-chip metrology and in-field analysis[3]
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Where are the manuals?

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Not publicly documented

Field notes

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Frequently asked questions

What is the KLA Archer 100 Overlay System?

It is a KLA Archer 100 overlay system used in semiconductor manufacturing equipment.[2][1]

Not publicly documented

The following facts about the Archer 100 Overlay 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 Archer 100 Overlay are on record.

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

  • No publicly documented variants, configuration options, or revision breakpoints of the Archer 100 Overlay 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 Archer 100 Overlay 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 Archer 100 Overlay are on record.

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

  • The process node or technology generation of the Archer 100 Overlay is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (4)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2]Equipment inventory listing
  3. [3]docsbay.net — docsbay.netdocsbay.net
  4. [4]Archer 100 Overlay — KLA | Specs, Sourcing & Service | Waferpedia — waferpedia.comwaferpedia.com
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Last updated Oct 12, 2026.

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