Wearable Tech World Feature Article
November 24, 2014

Corning Unveils Latest Version of Resilient Gorilla Glass

Corning Inc., a glass and ceramic manufacturer primarily for industrial and scientific applications, has announced Corning Gorilla Glass 4, the newest version of its resilient material designed for consumer electronics like smartphones and tablets. Gorilla Glass was formulated to minimize incidents of screen breakage from everyday drops while maintaining standard levels of visual quality.

Gorilla Glass 4 provides damage resistance nearly two times better than its competitor, aluminosilicate glass, after a lengthy testing process that determined the best method for maximizing durability. Corning relies on its proprietary fusion draw process to build glass that is resilient yet easily meets expectations for thinness and optical clarity.

“Corning scientists examined hundreds of broken devices and found that damage caused by sharp contact accounted for more than 70 percent of field failures,” the company said in its official announcement. “The scientists then developed new drop-test methods that simulate real-world break events, based on thousands of hours analyzing cover glass that had broken in the field or laboratory.”

The test involved dropping devices face-down from up to 3.3 ft. (1 m) onto a hard, rough surface. Results from these tests show that Gorilla Glass 4 can survive 80 percent of falls from this distance, which the company determined to be an appropriate representation of the drop a device will typically encounter.

“Corning Gorilla Glass has outperformed competing materials, such as soda-lime glass and other strengthened glass, since it was introduced in 2007, and we’re always innovating to push the limits of what glass can do,” said James R. Steiner, Senior Vice President and General Manager of Corning Specialty Materials. “With Gorilla Glass 4, we have focused on significantly improving protection against sharp contact damage, which is the primary reason that mobile devices break. Dropping and breaking a phone is a common problem, and one that our customers have asked us to help address.”

Since its launch in 2007 Gorilla Glass has been utilized in over three billion devices, a clear testament to its status as the industry standard. More than 40 manufacturers have included Gorilla Glass in a total of 1,395 product models, with many drawing attention to it as a key selling point.

According to Corning, product sampling and shipment for Gorilla Glass 4 are currently under way with the company’s global customers.


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