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MicroMist Ultrasonic Nozzle

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MicroMist Air Shaping System


The MicroMist system combines Sono-Tek’s unique Microspray ultrasonic atomizing nozzle with low- pressure air to produce a soft, highly focused beam of small micron sized droplets. MicroMist is ideal for spraying very small areas with targeted, uniform thin film nanocoatings at ultra-low flow rates.

Applications include:

  • Implantable medical device coatings
  • Stents
  • Balloon Catheters
  • Highly precise electronics components
  • Diagnostic leads and sensors

MicroMist-Spraying

MicroMist Ultrasonic Nozzle Benefits:

  • Liquids are delivered through an external hypotube to the nozzle’s atomizing surface
  • A low-pressure air stream through the nozzle’s central orifice entrains the spray and produces very tight, precise spray pattern
  • Spray widths as low as 0.015″ (0.4 mm) are possible
  • Soft, low-velocity atomized spray can be targeted with unmatched precision
  • Minimal overspray (minimal waste)
  • Ultra-low flow rates over a wide range (from 0.3 – 9 ml/hour)
  • Self-cleaning ultrasonic nozzle prevents clogging

Micromist Multiple tube options

Multiple Hypotubes/Cleaning Probe

Multiple hypotube probes can be installed for use in applications requiring the delivery of more than one liquid. A cleaning probe option is also available.

Operating Principle

The MicroMist system combines Sono-Tek’s unique Microspray ultrasonic atomizing nozzle with low- pressure air to produce a soft, highly focused beam of small spray drops.

The small size of the nozzle tip and air orifice of the MicroMist produces a very fine, focused beam. An isolated hypotube delivers liquid to the nozzle tip while compressed air, delivered through the nozzle orifice at a fixed low pressure, shapes the atomized droplets into a very precise, targeted spray.



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