Lam Research
The Lam Rainbow 4528B SN2800 is a plasma etch system from Lam Research. The Lam Rainbow 4528B SN2800 supports 8-inch wafers. The Lam Rainbow 4528B SN2800 is categorized as a plasma etch tool.[1][2]
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The following facts about the Rainbow 4528B SN2800 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 Rainbow 4528B SN2800 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the Rainbow 4528B SN2800 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 Rainbow 4528B SN2800 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 Rainbow 4528B SN2800 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Rainbow 4528B SN2800 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Sep 26, 2026.
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