ASML

| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| ASML Twinscan AT 850 D - Laser: Cymer ELS 7600 - With Tel Lithius Track | — | — | States a Cymer ELS 7600 laser and Tel Lithius Track. | Equipment inventory listing[1] |
| ASML Twinscan AT 850 D - 50/60 Hz - Laser: Cymer ELS 6610 - With Tel Lithius Track | — | — | States 50/60 Hz and a Cymer ELS 6610 laser with Tel Lithius Track. | Equipment inventory listing[3] |
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The following facts about the Twinscan AT 850 D 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 Twinscan AT 850 D are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the Twinscan AT 850 D 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 Twinscan AT 850 D are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Twinscan AT 850 D is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the Twinscan AT 850 D are on record.
Answerable by: an OEM parts catalog or a service engineer
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Last updated Sep 1, 2026.
The KLA .498 PSL Wafer is a NIST traceable reference wafer.