We all hear about toughened glass, temper glass, Scratch proof glass all these terms are commonly used in mobile industry. Actual manufacturing process uses depositing potassium ions on the surface of the glass to toughen the glass.
During its manufacture, The material is immersed in a molten alkaline potassium salt at a temperature of approximately 400 °C (750 °F), wherein smaller sodium ions in the glass are replace by larger potassium ions from the salt bath. giving the glass surface increased strength.
Corning(United States) – Gorilla glass Dominates this industry, There are other manufactures too. AGC Inc. (Japan)- Dragontail, Schott AG(Germany) – Xensation and Nippon Electric Glass (NEG) (Japan) – Dinorex.
Nokia 8.1 going to use Dinorex glass skips gorilla glass.
