Aluminum Zinc Oxide (AZO) AZO is used for making transparent conductive coatings and the typical ZnO to Al2O3 ratio by weight is 98:2. AZO is regarded as an alternative to ITO and probably take the place of ITO in the future for the consideration of the cost and the limited supply of indium. Our AZO products consist of powder, granule, tablet and sputtering targets. 1) AZO powder 2) AZO granule 3) AZO tablet 4) AZO sputtering targets