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Model 656 Meter

OAI Model 656 Meter family
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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 OAI Model 656 Meter is a light and energy meter. The OAI Model 656 Meter is designed for use with all mask aligners and flood exposure systems.[1]

OAIModel 656 Meter
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What it is

The OAI Model 656 Meter is a light and energy meter. The OAI Model 656 Meter is designed for use with mask aligners and flood exposure systems.[1]

Applications

The OAI Model 656 Meter is used for UV light and energy measurement instrumentation for calibrated control of photolithography processes. The OAI Model 656 Meter is used in the semiconductor, MEMS, wafer packaging, and wafer bumping industries.[1]

What do the numbers mean?

Optics & imaging1

Designed for
Use with all mask aligners and flood exposure systems[1]
Accurate?

Configuration & options2

Product Type
UV Meter[2]
Accurate?
Product type
Light and energy meter[1]
Accurate?
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What replaced it?

Where are the manuals?

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Not publicly documented

Field notes

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Frequently asked questions

What kind of equipment is the OAI Model 656 Meter?

The OAI Model 656 Meter is a light and energy meter.[1]

What equipment is the OAI Model 656 Meter designed to be used with?

The OAI Model 656 Meter is designed for use with all mask aligners and flood exposure systems.[1]

What processes does the OAI Model 656 Meter support?

The OAI Model 656 Meter supports reliable accurate calibrated control of photolithography processes.[1]

Not publicly documented

The following facts about the Model 656 Meter 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 Model 656 Meter are on record.

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

  • No publicly documented variants, configuration options, or revision breakpoints of the Model 656 Meter 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 Model 656 Meter 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 Model 656 Meter are on record.

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

  • The process node or technology generation of the Model 656 Meter is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (2)Every fact above is drawn from these public sources
  1. [1]oainet.com — oainet.comoainet.com
  2. [2]oainet.com — oainet.comoainet.com
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Last updated Oct 19, 2026.

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