Nordson

Asymtek SL 940

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The Nordson Asymtek SL 940 is a conformal coating system for printed circuit boards. The SL 940 uses a 5-axis motion system (three linear axes plus two tilt axes) to apply liquid coatings selectively. The SL 940 includes a laser system for monitoring jet width and automatic nozzle cleaning.^[1]

Asymtek SL 940 — Inventory photo — Fig. 01Asymtek SL 940Inventory photo^[2]

What is it?

The Nordson Asymtek SL 940 is a conformal coating system used for selective application of moisture-protective coatings on printed circuit boards.

What do the numbers mean?

Optics & imaging1

Laser width control: Yes^[3]

Configuration & options7

Motion axes: 3 linear (X,Y,Z) + 2 tilt axes^[3]
Material channels: 2 (main and auxiliary)^[3]
Nozzle type: Point-modulated piezo nozzle^[4]
Reservoir: 1-gallon non-circulating^[1]
Nozzle diameter: 0.26 mm^[1]
Fluid extension angle: 3 degrees^[1]
Assemblies included: SC-400 Precise Coat, SC-350 Select Spray^[1]

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Not publicly documented

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Not publicly documented

The following facts about the Asymtek SL 940 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 Asymtek SL 940 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the Asymtek SL 940 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 Asymtek SL 940 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 Asymtek SL 940 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Asymtek SL 940 is not on record.
Answerable by: an OEM datasheet or a fab qualification report