Waferpedia

SPTS

Synapse

EtchSPTS Synapse family
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Synapse — epfl.ch
Fig. 01Synapseepfl.ch[1]
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What is it?

The SPTS Synapse module is described as an ICP-based high-density plasma source optimized for and dedicated to etching SiO2 and SixNy layers. The source also states that it supports single-wafer loadlock/chamber transfers, electrostatic clamping, automated processes, optical-emission and laser reflectometry/interferometry endpoint detection, and specific listed process chemistries.

What can it run?

Process applications and technology nodes documented for this tool.

  • Etching SiO2 layers
  • Etching SixNy layers
  • Single-wafer plasma etching

Why won't it start?

Documented failure modes, common issues, and field considerations.

  • The etcher must not be exposed to any metallics or traces of metallics.
  • Wafers that were once in contact with metallic layers, including buried metallic layers, must not be loaded.
  • Wafers previously processed in SPTS APS etcher are not allowed in SPTS Synapse.

What do the numbers mean?

Wafer handling1

Wafer handling
Loadlock/chamber transfers for single wafer processing[1]
Accurate?

Gas & chemistry1

Gases available
O2, Ar, He, H2, SF6, C4F8, CF4, CHF3[1]
Accurate?

Optics & imaging1

Endpoint detection
Optical Emission Spectroscopy (EOS) and laser reflectometry/interferometry[1]
Accurate?

Configuration & options3

Plasma source
ICP-based high density plasma source[1]
Accurate?
Dedicated materials
Etching of SiO2 and SixNy layers[1]
Accurate?
Clamp type
Electrostatic clamping[1]
Accurate?
Interested in this tool?
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What replaced it?

What does it need to run?

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

  • Gases availableO2, Ar, He, H2, SF6, C4F8, CF4, CHF3[1]

Where are the manuals?

Publicly hosted documents referencing this tool, linked at their original location. Hosted by the linked institutions — availability may change.

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.

Not publicly documented

The following facts about the Synapse 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 Synapse are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • No publicly documented variants, configuration options, or revision breakpoints of the Synapse 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 Synapse are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • The process node or technology generation of the Synapse is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the Synapse are on record.

    Answerable by: an OEM parts catalog or a service engineer

Sources & citations

Sources (3)Every fact above is drawn from these public sources
  1. [1]epfl.chepfl.chepfl.ch
  2. [2]epfl.chepfl.ch
  3. [3]SPTS Etch Process Solutions for LED Manufacturingspts.com (Feb 28, 2018)web.archive.org
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Last updated Jul 29, 2026.

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