Waferpedia

Tokyo Electron

Unity II E 855 PP

EtchTokyo Electron Unity II E 855 family
Research Quality: 30% complete
Unity II E 855 PP — Inventory photo
Fig. 01Unity II E 855 PPInventory photo[1]

Vacuum

With Ebara pumps:[1]

Gas delivery

CHF3/CF4/O2[1]

What is it?

The Tokyo Electron Unity II E 855 PP is a 2-chamber etcher with CHF3/CF4/O2 gas capability and Ebara pumps.

What do the numbers mean?

Vacuum & pumping1

With Ebara pumps:[1]
Accurate?

Wafer handling1

1 Load Lock[1]
Accurate?

Gas & chemistry1

Gas
CHF3/CF4/O2[1]
Accurate?

Configuration & options5

2 Chamber system[1]
Accurate?
SiO2/SiN[1]
Accurate?
2 Process Chambers[1]
Accurate?
1 Platform[1]
Accurate?
2 Chamber[2]
Accurate?
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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • GasCHF3/CF4/O2[1]
  • ConfigurationWith Ebara pumps:[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

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Not publicly documented

The following facts about the Unity II E 855 PP 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 PP 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 855 PP 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 855 PP 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 PP 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 PP 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. [1]Inventory photo
  2. [2]Inventory photo
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Last updated Jul 29, 2026.

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