Tokyo Electron
Unity II E 85 DD
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.
What it is
How it works
General reference — not yet source-verifiedAn etch system removes selected material from a wafer surface by exposing the wafer to a controlled reactive process environment.
An oxide etch system is used to process oxide films while leaving other patterned areas intact.
Where it fits in the process flow
General reference — not yet source-verifiedAn etch system sits in the pattern-transfer portion of semiconductor manufacturing after lithographic patterning defines where material removal is needed.
An oxide etch step commonly follows mask alignment and exposure when a patterned dielectric layer must be opened or trimmed.
Applications
What do the numbers mean?
Wafer handling1
Configuration & options8
- Oxide[1]
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
What is the model designation of this etch system?
The model is the Unity II E 85 DD.[1]
Not publicly documented
The following facts about the Unity II E 85 DD 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 Unity II E 85 DD are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the Unity II E 85 DD 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 Unity II E 85 DD 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 Unity II E 85 DD are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Unity II E 85 DD is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (2)Every fact above is drawn from these public sources
- [1]inventory listing
- [2]waferpedia.com — waferpedia.comwaferpedia.com
Last updated Oct 12, 2026.
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