Waferpedia

SUSS MicroTec

MJB4

Lithography100mmabout 800 nmi-lineSUSS MicroTec MJB4 family
Research Quality: 60% complete
MJB4 — epfl.ch
Fig. 01MJB4epfl.ch[1]
  • Plate 01Suss Microtech MJB4 Mask Aligner #62104

    Bid ServicellcWatch on YouTube
  • Plate 02Karl Suss MJB4 Mask Aligner Demonstration

    ClassOneVideosWatch on YouTube
  • Plate 03MJB4 Demo Video

    Ollie Dunne Tara SemiWatch on YouTube
  • Plate 04Süss MicroTec - MJB4

    Virgin Lands - Technische VisualisierungWatch on YouTube
  • Plate 05Suss Microtech MJB4 Mask Aligner #60960

    Bid ServicellcWatch on YouTube

Wafer size

100mm

Node / era

about 800 nm

Vacuum

Soft, hard, and vacuum contact[2]

Performance

Top side alignment (TSA)[1]

Optics

Mercury (Hg) lamp[1]

What is it?

The MJB4 is described as a mask/wafer aligner for research and development. It supports top-side alignment, UV exposure with a mercury lamp, and manual handling of wafers or substrates up to 100 mm diameter. The sources state capabilities including Wedge Error Compensation, multiple contact exposure modes, and alignment precision down to about 0.5 µm.

What can it run?

Process applications and technology nodes documented for this tool.

  • LED lithography
  • MEMS

What do the numbers mean?

Vacuum & pumping1

Contact options
Soft, hard, and vacuum contact[2]
Accurate?

Wafer handling3

Type
Mask/wafer aligner[1]
Accurate?
Wafer diameter
up to 4 inch (100 mm)[1]
Accurate?
Substrate thickness range
0.1 mm to 4.0 mm[1]
Accurate?

Optics & imaging9

Exposure source
Mercury (Hg) lamp[1]
Accurate?
Wavelengths stated
365 nm, 405 nm, 436 nm[1]
Accurate?
Illumination setup
20 mW/cm2 @ 365 nm (i-line filter installed)[1]
Accurate?
Exposure modes
flood-exposure, proximity, soft contact, hard contact[1]
Accurate?
Objective magnification
5x, 10x[1]
Accurate?
Special offset objectives
For chip alignment; minimum separation down to 10 mm[1]
Accurate?
Mask thickness
up to 9 mm[2]
Accurate?
Optics option
Universal Optics option for UV 250, UV 350 and UV 400[2]
Accurate?
Alignment optics
SUSS single field microscope[2]
Accurate?

Performance4

Alignment mode
Top side alignment (TSA)[1]
Accurate?
Alignment precision
about 0.5 µm[1]
Accurate?
Alignment method
Wedge Error Compensation (WEC)[2]2 sources
Accurate?
Alignment modes stated
Top side and infrared alignment[2]
Accurate?

Configuration & options3

Use
Research and development[1]
Accurate?
Stage travel
X = ±30 mm, Y = ±30 mm, Θ = ±4°[1]
Accurate?
Key applications
LED lithography, MEMS, UV-NIL[2]
Accurate?
Interested in this tool?
Embed spec card

What does it need to run?

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

  • Contact optionsSoft, hard, and vacuum contact[2]

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 MJB4 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 MJB4 are on record.

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

  • No publicly documented variants, configuration options, or revision breakpoints of the MJB4 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 MJB4 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 MJB4 are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • No publicly documented compatible parts, consumables, or accessories for the MJB4 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 (5)Every fact above is drawn from these public sources
  1. [1]epfl.chepfl.chepfl.ch
  2. [2]pnf.uchicago.edupnf.uchicago.edupnf.uchicago.edu
  3. [3]Equipment Resources | CNFcnf.cornell.educnf.cornell.edu
  4. [4]Tool Details - Harvard CNScns1.rc.fas.harvard.educns1.rc.fas.harvard.edu
  5. [5]苏斯贸易(上海)有限公司: MJB4: SUSS MicroTecsuss.com (Dec 1, 2010)web.archive.org
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Last updated Jul 29, 2026.

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