A simple laboratory technique for the routine preparation of transparent conducting films on soda and borosilicate glasses is described. The process uses the surface hydrolysis of stannic chloride at a temperature approaching the softening point of the glass. High electrical conductivity (50 Ω/sq) and good optical transmission (80%) have been obtained by the addition of small quantities of antimony and the optimization of deposition conditions. The technique has been found to give uniform and consistent results.

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