Gorilla Glass is the registered trademark for a toughened
glass, manufactured by U.S. glassmaker Corning, Inc.
It became highly popular as a cover glass for portable
electronic devices such as high-end mobile phones.
The manufacturer claims that Gorilla Glass offers high
scratch resistance and incredible hardness, which allows the use of thinner
glass panels on devices, without the inherent fragility, which traditionally
comes with thinner thickness.
The invention for manufacturing this sort of protective
glass had supposedly been gathering dust for quite some years in Corning's
warehouse, until Steve Jobs, Apple's CEO back then, commissioned Corning to
develop a new scratch proof display cover glass for the first iPhone.
The rise of touchscreen phones popularity since then has
turned the manufacturing of Gorilla Glass into a lucrative business niche for
Corning.
In 2012, Corning introduced a second generation of the
material, called "Gorilla Glass 2" and devices using it started
shipping in the first half the same year. According to the manufacturer, the
advantages of the second generation include even thinner construction, higher
transparency to light and allows for even better touch sensitivity.
Gorilla Glass 3 was announced in 2013 and the popular
Samsung Galaxy S4 (released in the first half of the year) is announced as the
first phone to feature it.
The new generation is marketed as having Native Damage
Resistance™. Marketing talk aside, the new glass reportedly provides enhanced
scratch resistance, reduced scratch visibility, and better retained strength
once a scratch occurs. According to the manufacturer, the Gorilla Glass 3 is
stronger, and is 3x more scratch-resistant than Gorilla Glass 2. Plus some 40%
less scratches are visible once they occur.
Source : GSMarena
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