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    High Grade ITO Film Touch Screen Process

We found that the micro-crystalline ITO was the most suitable for a highly transparent and conductive film of a touch screen manufacturing process. Further, the Anti-Reflective (AR) coating with this ITO film has developed taking into account of transparency and visibility.

 High Grade Process 1 - Crystallization of ITO Film

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SnO2 composition in an ITO target ideal for low-temperature crystallization: 10wt% → 6wt% or less.

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Elimination of crystallization inhibiting factores caused by the gas released foromo the flim.

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Annealing temperature (150℃ for 30 minutes or more)
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 High Grade Process 2 - Making ITO Film Invisble
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 High Grade Process 3 - Making ITO Film More Transparent

"ULVAC has the solutions of AR/AS Coating for a Glass-substrate as well as a Flim one"
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