Rigaku
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The Rigaku XRF 3640 is a wafer or disk analyzer made by Rigaku.[2]
The following facts about the XRF 3640 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 XRF 3640 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the XRF 3640 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 XRF 3640 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 XRF 3640 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the XRF 3640 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 8, 2026.