Tegal
Tegal 903
Provisional entry — research in progress
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 Tegal 903 is an etcher in the Tegal 9XX Series Etchers. The Tegal 903e Table Top, Upgraded is a variant of the Tegal 903. The Tegal 903e Direct Cooled TTW, Standard is another variant of the Tegal 903.[1]
What it is
The Tegal 903 is an etch system in the Tegal 9XX series.[1]
How it works
General reference — not yet source-verifiedAn etch tool creates a controlled environment in which process gases interact with energized species to remove selected material from exposed areas of a workpiece.
Where it fits in the process flow
General reference — not yet source-verifiedThe Tegal 903 fits in the pattern-transfer portion of semiconductor processing, where material is removed after a masking or patterning step defines the areas to be opened.
What do the numbers mean?
Configuration & options3
Vintage & configurations
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
Not publicly documented
The following facts about the Tegal 903 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 Tegal 903 are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the Tegal 903 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 Tegal 903 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Tegal 903 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the Tegal 903 are on record.
Answerable by: an OEM parts catalog or a service engineer
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (1)Every fact above is drawn from these public sources
- [1]legacysemi.com — legacysemi.comlegacysemi.com
Last updated Oct 3, 2026.
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