Solar-Tectic LLC presents sapphire glass for PV and display applications. This sapphire glass can be used as a substrate on which to deposit highly oriented semiconductor films for high efficiency solar cells. Sapphire glass can also be used for display applications, such as device covers. The glass consists of a thin layer of crystalline Al203 on highly textured MgO on inexpensive glass (soda-lime and other kinds).
Update (April 21st, 2017): We are pleased to announce that a patent application (14/663,067) has been allowed by the US Patent Office.