Waferpedia

Rigaku

WaferX 300 X-ray Fluorescence

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RigakuWaferX 300 X-ray Fluorescence
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What it is

The Rigaku WaferX 300 is an X-ray fluorescence spectrometer used for wafer measurement. It is a Rigaku model associated with 12-inch wafers.[1][2]

How it works

General reference — not yet source-verified

X-ray fluorescence instruments direct X-rays onto a sample and measure the emitted fluorescent X-rays from the material. The measured emission pattern is used to infer elemental composition and related film properties.

Wafer-based X-ray fluorescence tools are configured to measure semiconductor wafers as substrates for metrology. In this class, the instrument operates as an analytical station rather than a process tool, with measurement performed after the wafer has undergone upstream fabrication steps.

Where it fits in the process flow

General reference — not yet source-verified

This kind of instrument sits in the metrology and quality-control portion of the fab flow. It is used to evaluate wafers after process steps that can change film composition or thickness, helping characterize the results of prior processing.

Because it is a nondestructive analytical tool, it supports inspection and process monitoring without altering the wafer. It is typically used downstream of film formation and other material-processing steps.

Applications

The Rigaku WaferX 300 is used for wafer-level X-ray fluorescence measurement on 12-inch substrates. Its application is in semiconductor metrology and quality control.[1][2]

What do the numbers mean?

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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 WaferX 300?

It is a Rigaku X-ray fluorescence spectrometer for wafer measurement.[1][2]

What type of measurement does it perform?

It performs X-ray fluorescence measurement.[1][2]

Not publicly documented

The following facts about the WaferX 300 X-ray Fluorescence 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 specifications for the WaferX 300 X-ray Fluorescence are on record.

    Answerable by: an OEM datasheet, a cleanroom equipment inventory, or an engineer who operated or installed it

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the WaferX 300 X-ray Fluorescence are on record.

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

  • No publicly documented variants, configuration options, or revision breakpoints of the WaferX 300 X-ray Fluorescence 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 WaferX 300 X-ray Fluorescence 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 WaferX 300 X-ray Fluorescence are on record.

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

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Sources & citations

Sources (2)Every fact above is drawn from these public sources
  1. [1]Equipment inventory listing
  2. [2]Rigaku WaferX 300 X-ray Fluorescence Spectrometer for salefabsurplus.comfabsurplus.com
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Last updated Jul 30, 2026.

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