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ITO-coated glass is a type of conductive glass classified as TCO glass, created by applying a thin film of indium tin oxide (ITO) onto a soda-lime or borosilicate glass substrate. ITO-coated glass is a well-established product known for its high transmittance, strong film adhesion, and ideal conductivity. It is primarily used in the LCD field and was initially applied to electronic displays in devices like calculators and electronic watches. With advancements in electronic technology, ITO glass is now also used in laptops and new-generation LCDs.
Indium tin oxide is a compound composed of indium, tin, and oxygen, offering both optical transparency and electrical conductivity, making it a cornerstone of many advanced technologies. In the ever-evolving fields of advanced materials and technologies, indium tin oxide has become a crucial compound. In areas such as electronics, optics, and sustainable energy solutions, ITO has had a profound impact on various applications.
Figure 1. The ulrasonic spray coating on TCO glass
Producing ITO-coated glass requires uniformly applying a thin film of indium tin oxide onto a glass substrate, which remains highly transparent and achieves low resistance. Typically, applying an ITO coating on a glass substrate must be done in a completely vacuum-sealed environment, where the glass substrate is heated to a specified temperature while the ITO coating is applied. The ultrasonic pyrolysis involves using ultrasonic waves to atomize the ITO material solution into fine liquid particles, which are then uniformly deposited onto the glass substrate. Ultrasonic atomization ensures uniform particle size and controllable dimensions of the liquid particles. Combined with a high-precision liquid supply pump, it allows for highly controllable thin film coatings ranging from tens of nanometers to tens of micrometers in thickness. Compared to vacuum deposition and sputtering methods, the ultrasonic pyrolysis is a more cost-effective and efficient approach.
Currently, there is well-developed equipment for preparing ITO glass coatings using the ultrasonic pyrolysis. Siansonic's ultrasonic spray system for ultrasonic pyrolysis integrates a high-precision liquid supply system, ultrasonic atomization module, high-temperature heating platform, and servo motion system. It is widely used in the research and production of various nano and submicron functional coating films.
