United States Patent Application 20140030443

United States Patent Application 20140030443

Today U.S. Patent and Trademark Office published approved application describing creating of sapphire windows. Patented method includes obtaining a polished sapphire wafer and applying decoration to the sapphire wafer, also includes cutting the sapphire wafer into discrete windows. Application was filed in july 2012, various techniques are described, including the use of IR and pulse lasers of sufficient power to make clean cuts. Apple notes the use of lasers is both faster and more precise than CNC grinding methods. Since few days ago we heard rumors about Apple’s partnership with sapphire manufacturer GT Advanced Technologies, it seems to be very likely to see that in next iPhone.

Just about an hour ago some devices started to show available update. Patch is targeted only for some models of iPhones 5s and 5c (presenting themselves as 5,4 and 6,2), model numbers:

iPhone 5s
A1457 (UK/Europe)
A1528 (China)
A1530 (Asia Pacific)

iPhone 5c
A1507 (UK/Europe)
A1526 (China)
A1529 (Asia Pacific)

The only thing included is correction for network provisioning.