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See Sono-Tek at SNEC for Cost Effective Solar Manufacturing Solutions

Sono-Tek will be exhibiting our ultrasonic coating systems at SNEC PV Power Expo 2012, at the Shanghai New International Expo Center, May 16th through May 18th. We will be demonstrating our systems in multiple booths with our distributor, Unitak. You can find us in the Thin Film Solar area in Hall W1, Booths 816 & 817, as well as in the Silicon Solar section in Hall E3, Booth 802.

A Typical System for Ultrasonic Spray Pyrolysis Deposition of TCO Layer Chemistries

Sono-Tek’s ultrasonic coating systems are proven at silicon and thin film solar manufacturing companies worldwide for providing uniform thin films in a variety of applications, including:

  • Anti-refection onto solar glass
  • Phosphoric and boric acid doping
  • Solder bus fluxing for silicon solar cells
  • Active, buffer and window layer coatings in CdTe and CIGs cells
  • Organic solar coatings such as polymers and carbon nanotubes
  • NEW! high temperature spray pyrolysis processes for TCO layer deposition.

All of Sono-Tek’s precision spray systems feature non-clogging ultrasonic nozzle technology. Our ultrasonic nozzles produce low velocity atomized spray with uniform micron size droplets. This unique spray adheres to substrates with no bounceback, making ultrasonic spray processes capable of 95%+ effective material usage. When spraying oxide solutions or nanosuspensions, ultrasonic nozzles offer the additional benefit of continuous ultrasonic vibration, keeping particles evenly suspended and breaking up agglomerations, for the most uniform, homogenous coatings. In addition to cost savings of layer materials, ultrasonic spray systems are a fraction of the cost of CVD and sputtering systems, making investment in capital equipment more feasible for startup companies.

Sono-Tek has R&D, pilot line and production volume machines, all of which are designed to integrate seamlessly with existing manufacturing lines. Since all machines use the same ultrasonic nozzle technology, scaling up a process is a smoother transition than other processes such as vacuum deposition.

To find out more about the SNEC trade show you can visit the following link: http://www.snec.org.cn/Default.aspx?lang=en
To find out more about Sono-Tek’s solar cell manufacturing equipment, go to http://www.sono-tek.com/thin-film-overview/ or http://www.sono-tek.com/silicon-solar-overview/ or email info@sono-tek.com.