Numerous leaks have already detailed Apple’s plans to use strong sapphire glass displays on its 2014 iPhone models, although the company is yet to confirm any of them. However, AppleInsider has discovered three patent applications filed in early 2013 that prove Apple is really exploring ways of increasing the durability of its iPhones, with the patents describing means of reinforcing sapphire glass for front and back panels. They also describe a means of using sapphire glass for other iPhone components and “implanting” product details within sapphire glass covers.
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