Waferpedia

Karl Suss

MA6/BA6

Karl SussMA6/BA6
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  • Plate 01Suss MA6/BA6 Mask Aligner (ID# 4923)

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  • Plate 02Video 1 of 2 - Karl Suss MA6/BA6 Mask Aligner (ID# 3733)

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  • Plate 03Video 2 of 2 - Karl Suss MA6/BA6 Mask Aligner (ID# 3733)

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Wafer size

Samples ranging in size from 10mm to 150mm

Performance

0.25 microns under optimum conditions[2]

Optics

Frontside/Backside Mask Aligner[2]

What is it?

The Karl Suss MA6/BA6 is listed as a frontside/backside mask aligner for topside or backside photo alignment and exposure. The MA6 is described as being designed for high-resolution photolithography in a laboratory environment, with backside alignment, automated image capture, on-screen optics, and multiple exposure modes.

What can it run?

Process applications and technology nodes documented for this tool.

  • Topside or backside photo alignment and exposure
  • High-resolution photolithography in a laboratory environment

What do the numbers mean?

Vacuum & pumping1

Exposure modes
Hard contact, soft contact, proximity, and vacuum contact[2]
Accurate?

Optics & imaging8

Category
Frontside/Backside Mask Aligner[2]
Accurate?
Application
For topside or backside photo alignment and exposure[1]
Accurate?
Backside alignment
Equipped with backside align capability with automated image capture and computer display optics[2]
Accurate?
Exposure wavelengths
350-450nm[2]
Accurate?
Resolution
Line/space resolution of <1.0 microns under optimum conditions[2]
Accurate?
Constant intensity control
Constant intensity controller (CIS) regulates lamp power to deliver constant intensity exposures[2]
Accurate?
Mask size range
4" to 7" sq.[2]
Accurate?
Minimum mask thickness
.09"[2]
Accurate?

Performance1

Alignment accuracy
0.25 microns under optimum conditions[2]
Accurate?

Configuration & options4

OEM
Karl Suss[1]
Accurate?
Model
MA6/BA6[1]
Accurate?
Lamp house
350W lamp house containing a 350W mercury short-arc lamp[2]
Accurate?
Sample size range
10mm to 150mm[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.

  • Exposure modesHard contact, soft contact, proximity, and vacuum contact[2]

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 MA6/BA6 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 MA6/BA6 are on record.

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

  • No publicly documented variants, configuration options, or revision breakpoints of the MA6/BA6 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 MA6/BA6 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 MA6/BA6 are on record.

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

  • The process node or technology generation of the MA6/BA6 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]smif.pratt.duke.edu — smif.pratt.duke.edusmif.pratt.duke.edu
  2. [2]smif.pratt.duke.edu — smif.pratt.duke.edusmif.pratt.duke.edu
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Last updated Jul 29, 2026.

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