06. jan Apple Addresses 2018 iPad Pro 'Bending' Controversy, Says Subtle Deviations May Be More Visible Due to New Design

Apple Addresses 2018 iPad Pro 'Bending' Controversy, Says Subtle Deviations May Be More Visible Due to New Design

Tech News   |   01/06/2019 - 9:43am   |   by A.Rider   |   118

Apple says the new design could make any minor deviations more visible than before.

Apple yesterday posted a support document addressing the 2018 iPad Pro bending snafuthat's been circulating around the internet over the course of the last couple of weeks. 

In the document, Apple describes the new design of the unibody enclosure of the device and how cellular models use a new co-molding process to create the antenna bands in the chassis.

To provide optimal cellular performance, small vertical bands or “splits” in the sides of the iPad allow parts of the enclosure to function as cellular antennas. For the first time ever on an iPad, these bands are manufactured using a process called co-molding. In this high-temperature process, plastic is injected into precisely milled channels in the aluminum enclosure where it bonds to micro-pores in the aluminum surface. After the plastic cools, the entire enclosure is finished with a precision CNC machining operation, yielding a seamless integration of plastic and aluminum into a single, strong enclosure.

Apple says this process helps ensure the new iPad Pro models can meet a flatness specification of no more than a 400 micron deviation along any side, which less than the thickness of four sheets of paper. This is a tighter specification than on any previous model, but Apple says the new design could make any minor deviations more visible than before.

The new straight edges and the presence of the antenna splits may make subtle deviations in flatness more visible only from certain viewing angles that are imperceptible during normal use. These small variances do not affect the strength of the enclosure or the function of the product and will not change over time through normal use.

Read the full article at MacRumors

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