The motion GT Advanced filed earlier for a closed hearing was to seek court permission to close its sapphire manufacturing plant, reports Re/code.

As we noted earlier, the reason for the company’s failure appears to be that it was unable to meet Apple’s requirements for sapphire displays for the iPhone 6, though it remains unclear whether this was a quality issue or an inability to supply the volumes needed.

Sapphire crystal maker GT Advanced Technologies, which filed for Chapter 11 bankruptcy protection earlier this week, has asked the court’s permission to “wind down” operations at its manufacturing plant, less than a year after announcing a high-profile deal to supply the material to Apple.

The court will hear the company’s motion on 15th October.

KGI stated earlier this week that the bankruptcy of GT Advanced is unlikely to have any impact on the Apple Watch as there are other suppliers able to provide sapphire screens in the sizes needed, but it may be that Apple will rethink its plans to use sapphire for future iPhones.

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