SUSS MicroTec
MJB55
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 MJB55 is a mask aligner developed by SUSS MicroTec (then Karl Süss) for photolithography. The MJB55 became the first mask aligner developed for mass production in 1975. The MJB55 is a mask alignment exposure tool used in semiconductor manufacturing.[1]
Produced
1975–
Optics
Mask aligner[1]
What is it?
What can it run?
Process applications and technology nodes documented for this tool.
- Photolithography
- Mass production
What do the numbers mean?
Optics & imaging1
Configuration & options2
Vintage & configurations
- 1975Production start[1]
The MJB55 became the first mask aligner developed for mass production.
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.
Not publicly documented
The following facts about the MJB55 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 variants, configuration options, or revision breakpoints of the MJB55 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 MJB55 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 MJB55 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the MJB55 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the MJB55 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 (1)Every fact above is drawn from these public sources
- [1]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
Last updated Sep 21, 2026.
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