The Smartphone of the Future May Use Sapphire Glass


Thu, Mar 21st, 2013 21:00 by capnasty NEWS

According to ExtremeTech, your next smartphone might use sapphire glass instead of Gorilla Glass. Sapphire, reportedly "the hardest natural substance after diamond," already used "by the military to create transparent armor," may soon become cheap enough to be used "in a wide range of consumer products, such as smartphones, tablets, and other ruggedized devices."

At around three times the strength and scratch resistance of Corning’s Gorilla Glass, sapphire glass would make an almost perfect smartphone screen. There’s one caveat: according to a market analyst, a sheet of Gorilla Glass costs around $3, while the same piece of sapphire glass would cost $30. Thanks to increasing competition, though, the cost of sapphire glass is dropping. It wouldn’t be surprising to see a high-end smartphone (such as the iPhone) use a sapphire screen in the next few years. It’s worth noting that the iPhone 5 already uses sapphire glass to protect the rear camera lens, so Apple is certainly aware of sapphire’s potential.



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