Layer-by-Layer
Electrostatic Self-Assembly

The ND coaters are intended for the fabrication and deposition of thin films on different surfaces by spray coating. The ND Spray coaters are characterized for its versatility and easiness of use. The range of application is very extensive, including the fabrication of solar cells, electronic components, sensors, anti-reflection films, smart coatings, protective films or biocides films.

Ultrasonic Lab
Spray Coater

The Ultrasonic Lab Spray Coater is a system developed for the fabrication and deposition of thin films via spray focused on small samples, ideal for lab scale. ND-SP has been designed with the objective to perform Spray Coating techniques, such as Sol-Gel, which require uniform and very small drop sizes. Thanks to its ultrasonic spray nozzle, the system is capable to produce drops with an average diameter of 15 micrometers (nanoparticles & solvent) and a very uniform tight drop distribution. Moreover, ultrasonic nozzle allows superior spray and coating results as well as a reduction of the coating material, up to 80%.

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Ultrasonic Pro
Spray Coater

Ultrasonic Spray Coater ND-SP is a system developed for the fabrication and deposition of thin films via focused spray on samples. ND-SP has been designed with the objective to perform Spray Coating techniques, such as Sol-Gel, which require uniform and very small drop sizes. Thanks to its ultrasonic spray nozzle, the system is capable to produce drops with an average diameter of 15 micrometers (nanoparticles & solvent) and a very uniform tight drop distribution. Moreover, ultrasonic nozzle allows superior spray and coating results as well as a reduction of the coating material, up to 80%.

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Precision
Spray Coater

ND-SP Precision Spray Coater is designed to obtain thin film coatings via spray techniques, such as layer-by-layer self-assembly, where small droplet sizes are required. Its precision spray nozzle is able to spray tiny drops and this technique also permits to spray high viscosity fluids.

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Technology

LbL by spray coating

The Electrostatic Self Assembly Multilayer (ESAM) method can be modified to accelerate the deposition process. Instead of immersing the substrate in different anionic and cationic aqueous solutions, these solutions can be sprayed with a high-pressure sprayer, which reduces the coating time from several minutes to a few seconds.

In order to automatize the spraying, an electro-pneumatic system is required to control the activation and deactivation of each sprayer, in addition to a mechanism that provides movement to the sprayer nozzles or to the substrate.

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