According to newly granted patent documents, Apple is studying the 2019 Mac Pro unique “cheese plane” lattice design extended to other devices, including the iPhone and “trash” Mac Pro. Apple introduced an innovative grid pattern on Mac Pro and Pro Display XDR in 2019, which is created by processing a spherical array on the inner and outer surfaces of the aluminum. While creating an extremely rigid structure, it maximizes air flow.
This new patent was first discovered by Patently Apple and granted by the U.S. Patent and Trademark Office under the title “Shell Structure” and covers the extension of the lattice pattern to other devices, such as the iPhone.
The patent explains that “recent advances in electronic devices have resulted in a high level of performance,” but many existing housing solutions cannot “effectively distribute or discharge the heat generated by electronic devices to the surrounding environment”, thus inhibiting “this performance level of similar equipment”.
Apple believes that its grid pattern provides a solution to this problem because it increases the surface area of the device to achieve better cooling and more effectively “position the heat from substantially adjacent to the first surface of the fuselage.” Conduction away on the components of electronic equipment.”
As mentioned above, these enhanced levels of heat dissipation can significantly improve the performance of electronic devices and can allow the use of components or operating levels that may not have been possible with existing three-dimensional structures so far.
In terms of improving heat dissipation, devices with lattice patterns can push their processors to higher temperatures for better performance. The illustrations included in the application document show how to mill a miniaturized version of the lattice pattern directly into the frame and back of the iPhone.
In addition to significantly improving thermal performance, it can also improve the grip, “provide a unique and pleasant look and feel”, and provide “a pleasant experience when operating the device.”
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In some cases, the three-dimensional structure may include relatively complex repeating patterns, which can provide users with visually interesting or beautiful effects in addition to enhancing heat dissipation capacity and providing rigidity. Such a three-dimensional structure, for example, when used as housing, can also include various colors on one or more areas of the housing to enhance the visual appearance and provide users with a pleasant aesthetic experience.
Another advantage of the grid pattern is to increase the structural strength without increasing the thickness or weight of the part.
When used as a housing or other structural component of an electronic device, the three-dimensional structure described herein can provide the device with a high level of strength and stiffness to weight ratio. The traditional structure usually achieves increased rigidity or strength by thickening or enlarging certain parts of the structure, which usually leads to an increase in the weight and size of the electronic device, which may be undesirable for users.
For example, the three-dimensional structure described herein may include a channel matrix, the function of which is to greatly enhance the stiffness of the three-dimensional structure without significantly increasing the size or weight of the structure. Therefore, relatively light, but extremely strong and rigid electronic devices can be produced.
Another application covers the embedding of grids inside the iPhone to increase stiffness and strength, so that “electronic devices can be used for a long time while maintaining dimensional stability.” The patent also mentions that the lattice structure “can be used as a shield for electronic devices while still allowing air to flow therethrough”, especially as a shield for electromagnetic interference (EMI) and/or electromagnetic compatibility (EMC) noise.
In addition to the iPhone, Apple seems to have redesigned the 2013 Mac Pro, which is called the “trash can” by the outside world to show alternative designs for the grid pattern. Given that the grid pattern first appeared on the Tower Mac Pro in 2019, it is interesting to see some design aspects of the latest Mac Pro implemented on older models. This patent indicates that Apple may plan to bring its unique grid pattern to more devices in the future, but only time will prove this.
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