iPhone 6 will be Better than Samsung Galaxy S5, Apple's iPhone 6 Sapphire Display will be the Best Screen Technology
By Precious Silva | February 15, 2014 9:49 AM EST
Apple wants its iPhone 6 better than ever. According to recent reports, the company has been pushing to make its sapphire production operational and running in time for the release of its next flagship phone. Apple has started production for around 100-200 million units of phones. As the smartphone competition stiffens and the Samsung Galaxy S5 release is just around the corner, the market is curious whether Apple can compete with Samsung - the sapphire technology may just be trick to get ahead.
Apple has started including sapphire technology into its devices but not as full scale as a sapphire screen. The camera of the iPhone 5s features a sapphire glass protection. Likewise, the new home button/fingerprint scanner on the iPhone 5s sports sapphire glass. Throughout the years, sapphire glass only graced the front cover of high-end wristwatches. With the hype over the technology, is it really worth the investment for Apple? Has Corning's Gorilla Glass finally found a rival?
Although it is called a glass, the sapphire glass is not entirely a glass. It refers to a single crystal made of transparent sapphire. Sapphire is manufactured synthetically. The manufacturing process is similar to the production of single crystals of silicon for semiconductors.
The process involves dipping a little piece of sapphire or seed crystal in molten alumina (Al2O3). After dipping, the seed crystal is drawn upwards. This creates extremely long carrot-shaped crystals known as boules. The crystals are sliced, molded and polished as needed. The process is expensive. But Apple's recent partner, GT Advanced Technologies, may have just discovered a way to produce the materials and bring it commercially.
According to MIT Technology Review: "GT is also cutting the cost of sapphire manufacturing by following the strategy that it used over the last several years to reduce the cost of making crystalline silicon for solar cells."
"To make the sapphire, aluminum oxide is melted down in a specialized furnace and then allowed to slowly cool to form a large crystal. That crystal is then cut with a diamond-coated wire saw. GT designs its furnaces so that they can be cheaply upgraded to make ever larger crystals as the technology improves, allowing customers to increase production without buying new equipment."
Sapphire glass offers a range of desirable qualities making it an excellent screen technology. It is incredibly transparent measuring 150nm (ultraviolet) and 5500nm (far-infrared), highly scratch resistant next to diamond, stronger than the standard glass and more durable compared to the Gorilla Glass's ~7.
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