Sapphire Glass

Sapphire glass was in the news again today, thanks to a jump in the share price of GT Advanced Technologies Inc. — the company which will reportedly manufacture the iPhone 6’s sapphire display.

With contrasting reports about sapphire’s advantages over Gorilla Glass, along with counter-reports from Gorilla Glass maker Corning, we figured the time was right to break down some of the questions about Apple’s latest wonder-material.

Currently used by Apple only in small quantities in the protective glass over the iPhone 5s camera sensor, and Touch ID home button, analysts predict that worldwide demand for sapphire glass is about to pick up in a big way.

Apple announced late in 2013 that it was planning to open a sapphire glass manufacturing facility in Arizona — employing 700 people, and capable of churning out between 100 million and 200 million iPhone displays each year. GT Advanced Technologies will own and operate the required furnaces and equipment, for what is rumored to be the screens for the forthcoming iPhone 6, but may turn out also to refer to Apple’s iWatch.

To find out more about sapphire glass — including its legendary toughness — Cult of Mac spoke with aerospace company Aero-Gear, who manufacture a sapphire crystal iPhone screen protector of their own.


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