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Enclosures for these portable electronic devices can be formed of various metals (e.g., anodized aluminum, etc.) having a high amount of strength and stiffness to protect these operational components. Portable electronic devices can include various operational components (e.g., display, processor, antenna, etc.). Today’s patent opens by describing the challenge posed by titanium casings. We’ve seen past rumors that Apple is working on a titanium iPhone – though the iPhone 13 prediction of course didn’t come to pass. The net result is that a titanium casing would be lighter than an aluminum one. Titanium is heavier than aluminum, but is so much stronger that you can use a far thinner piece to achieve the same strength and stiffness. Apple says that the former is better at hiding flaws in the metal, while the latter offers better protection
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The patent is a technical one, dealing with the process of combining blasting and etching with a chemical anodization process in order to achieve the desired finish. In its raw state, titanium has a rather dull and uninteresting finish – so Apple has explored different ways of giving the material a more attractive look.īack in January 2021, the company was granted a patent for a method of giving titanium a semi-gloss finish. It also is worth noting that the PowerBook G4/400 (Titanium) is much thinner than the PowerBook G3/400 (Firewire) that it replaced, but lacks swappable drive bays. Custom configurations also were available. The PowerBook G4/400 (Titanium) features a 400 MHz PowerPC 7410 (G4) processor with the AltiVec “Velocity Engine” vector processing unit and 1 MB backside level 2 cache, 128 MB of PC100 SDRAM, a 10 GB Ultra ATA/66 hard drive, a slot-loading 6X DVD-ROM drive, and ATI Rage Mobility 128 (2X AGP) graphics with 8 MB of SDRAM in a 1-inch thick Titanium case with a 15.2″ TFT display (1152×768 native resolution). This was sold between 20, when it was replaced by an aluminum model. Specifically, today’s patent grant describes a process for creating a textured surface on titanium, and one of Apple’s illustrations depicts an Apple Watch, iPhone, iPad, and MacBook …Īpple currently offers a titanium Apple Watch, and in the past has offered a titanium laptop: the PowerBook G4.
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We last year saw an Apple patent showing that the company was exploring the possibility of creating a titanium iPhone, iPad, and MacBook – and another one has been granted today.