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Ultrasonic Glass Coating Equipment

Glass Coating System

Sono-Tek has been supplying high performance glass coating systems for continuous float glass and panel glass manufacturing processes for over 25 years. The ability to spray very thin nanolayers of anti-stain and other protective material s across any width of glass with no dripping and no bounceback makes our ultrasonic spray technology ideal for high volume glass manufacturing. In addition, Sono-Tek ultrasonic spray systems offer unique benefits over conventional vacuum deposition when spraying nanosuspensions such as transparent conductive oxide chemistries. As the glass industry evolves to include conductive coatings such as TCO and photoresist chemistries onto glass panels, Sono-Tek will continue to provide innovative coating solutions to manufacturers worldwide.

Glass Coating Applications Using Ultrasonic Spray Systems Include:

Unique Benefits of Ultrasonic Spray Technology for Coating Glass Substrates
Our ultrasonic spray technology is unique in its ability to apply homogenous coatings of liquid suspensions containing functional nanoparticles. Ultrasonic spray is created using high frequency sound vibrations, which are converted to mechanical vibrations. As liquid is fed through the center of the ultrasonic nozzle, it is subjected to these mechanical vibrations, which continuously deagglomerate any particles suspended in the liquid, providing highly functional, thin film coatings onto glass.

Nozzle Atomization

Sono-Tek glass coating spray systems provide maximum efficiency and control of deposition parameters due to the soft nature of ultrasonic spray, and non-clogging atomization process. Unlike pressure nozzles, liquid is not forced through the nozzle orifice with pressure, but instead flows onto the nozzle’s atomizing surface where the spray is broken into droplets of almost identical size. Up to 80% reduction in spray material, as well as drastic reductions in maintenance, cleanup and exhaust requirements are reported with our ultrasonic spray systems.

Sono-Tek is able to provide R&D, pilot line and wide area continuous manufacturing equipment using the same core spray nozzle, ensuring scalable solutions that will provide the same spray performance at all levels of production. In addition, atmospheric ultrasonic spray coating systems are a fraction of the cost of vapor deposition systems used for glass coating processes.


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