Tokyo Electron
Unity II E 855 II
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 Unity II E 855 II is a dry etcher from Tokyo Electron. The Unity II E 855 II processes 8-inch wafers.[1]
What it is
What do the numbers mean?
Wafer handling1
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
What type of equipment is the Tokyo Electron Unity II E 855 II?
What wafer size does the Unity II E 855 II process?
Not publicly documented
The following facts about the Unity II E 855 II 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 855 II are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the Unity II E 855 II 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 855 II 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 855 II is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the Unity II E 855 II 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 (4)Every fact above is drawn from these public sources
- [1]waferpedia.com — waferpedia.comwaferpedia.com
- [2]inventory listing
- [3]waferpedia.com — waferpedia.comwaferpedia.com
- [4]Unity II E 855 II — Tokyo Electron | Specs, Sourcing & Service | Waferpedia — waferpedia.comwaferpedia.com
Last updated Oct 11, 2026.