Apple to Continue Evaluating GT's Sapphire Production Progress, Looking for New Uses for Arizona Plant

sapphire.pngEarlier today, GT Advanced Technologies officially announced its settlement with Apple, which will see the two companies dissolving their partnership, ending their production agreement, and eliminating contractual ties that kept GT from selling its sapphire to other parties.

Under the agreement, GT Advanced will be selling off its remaining sapphire, along with 2,000 sapphire furnaces, with much of the proceeds going to Apple to repay the $439 million loan it provided to get the operation underway.

Apple has now commented on the settlement with GT Advanced, telling Re/code that GT's sapphire manufacturing process simply wasn't ready for production, and that a relationship in the future remains a possibility as the company's sapphire production techniques improve. GT will continue research work focused on creating sapphire boules over 165 kilograms.

Apple also says that it is going to look for other ways to use the Mesa, Arizona facility that it purchased for GT Advanced, which will be unused after GT fully shuts down operations at the end of December

"Apple put a lot of effort into an ambitious new sapphire manufacturing process with GTAT which is not ready for production. We're going to continue evaluating GTAT's progress on larger sapphire boule development, as well as consider other options for the facility. We remain committed to the city and we're going to work with Mesa and Maricopa County to help the GT Advanced employees who will be impacted by this find new jobs."

GT Advanced first filed for bankruptcy at the beginning of October, but the company was reportedly missing technical milestones as early as February, hinting at the trouble to come. While Apple was widely expected to use sapphire from GT Advanced for the iPhone 6 and 6 Plus displays, the company opted to stick with Corning's Gorilla Glass after it became apparent GT would not be able to produce sapphire of the quality that Apple required.

Approximately 650 employees at the Mesa, Arizona sapphire plant have already been laid off, and a limited number of employees will remain employed until the end of the year in order to help GT Advanced wind down production at the factory, finishing the sapphire boules that are currently growing and shutting down and cleaning furnaces for storage and sale.

Popular Stories

iOS 26 Feature

iOS 26.1 to iOS 26.4 Will Add These New Features to Your iPhone

Saturday October 18, 2025 11:00 am PDT by
iOS 26 was released last month, but the software train never stops, and iOS 26.1 beta testing is already underway. So far, iOS 26.1 makes both Apple Intelligence and Live Translation on compatible AirPods available in additional languages, and it includes some other minor changes across the Apple Music, Calendar, Photos, Clock, and Safari apps. More features and changes will follow in future ...
ios 26 1 liquid glass opaque

iOS 26.1 Beta 4 Lets Users Control Liquid Glass Transparency with New Toggle

Monday October 20, 2025 10:57 am PDT by
With the fourth betas of iOS 26.1, iPadOS 26.1, and macOS 26.1, Apple has introduced a new setting that's designed to allow users to customize the look of Liquid Glass. The toggle lets users select from a clear look for Liquid Glass, or a tinted look. Clear is the current Liquid Glass design, which is more transparent and shows the background underneath buttons, bars, and menus, while tinted ...
iPhone Siri Glow

Some Apple Employees Have 'Concerns' About iOS 26.4's Revamped Siri

Sunday October 19, 2025 7:39 am PDT by
iOS 26.4 is expected to introduce a revamped version of Siri powered by Apple Intelligence, but not everyone is satisfied with how well it works. In his Power On newsletter today, Bloomberg's Mark Gurman said some of Apple's software engineers have "concerns" about the overhauled Siri's performance. However, he did not provide any specific details about the shortcomings. iOS 26.4 will...
iOS 26

iOS 26.0.2 Update for iPhones Coming Soon

Friday October 17, 2025 7:35 am PDT by
Apple's software engineers continue to internally test iOS 26.0.2, according to MacRumors logs, which have been a reliable indicator of upcoming iOS versions. iOS 26.0.2 will be a minor update that addresses bugs and/or security vulnerabilities, but we do not know any specific details yet. The update will likely be released by the end of next week. Last month, Apple released iOS 26.0.1,...
Apple iPad Pro hero M5

New iPad Pro Has Six Key Upgrades Beyond M5 Chip

Saturday October 18, 2025 10:57 am PDT by
While the new iPad Pro's headline feature is the M5 chip, the device has some other changes, including N1 and C1X chips, faster storage speeds, and more. With the M5 chip, the new iPad Pro has up to a 20% faster CPU and up to a 40% faster GPU compared to the previous model with the M4 chip, according to Geekbench 6 results. Keep in mind that 256GB and 512GB configurations have a 9-core CPU,...
maxresdefault

Here's How the iOS 26.1 Transparency Toggle Changes Liquid Glass

Monday October 20, 2025 1:55 pm PDT by
With the fourth beta of iOS 26.1, Apple added a toggle that makes Liquid Glass more opaque and reduces transparency. We tested the beta to see where the toggle works and what it looks like. Subscribe to the MacRumors YouTube channel for more videos. If you have the latest iOS 26.1 beta, you can go to Settings > Display and Brightness to get to the new option. Tap on Liquid Glass, then...
iOS 26

What's New in iOS 26.1 Beta 4

Monday October 20, 2025 1:02 pm PDT by
Even though we're at the fourth beta of iOS 26.1, Apple is continuing to add new features. In fact, the fourth beta has some of the biggest changes that we'll get when iOS 26.1 releases to the public later this month. We've rounded up what's new below. Liquid Glass Transparency Toggle Apple added a toggle for customizing the look of Liquid Glass. In Settings > Display and Brightness,...
HomePod mini and Apple TV

Apple's Next Rumored Products: New HomePod Mini, Apple TV, and More

Thursday October 16, 2025 9:13 am PDT by
Apple on Wednesday updated the 14-inch MacBook Pro, iPad Pro, and Vision Pro with its next-generation M5 chip, but previous rumors have indicated that the company still plans to announce at least a few additional products before the end of the year. The following Apple products have at one point been rumored to be updated in 2025, although it is unclear if the timeframe for any of them has...
kohler toilet sensor

Kohler Launches $600 iPhone-Connected Toilet Camera That Monitors Your Health Through Waste Analysis

Monday October 20, 2025 1:42 pm PDT by
Kohler is expanding its line of bathroom products with Dekoda, an iPhone-connected device that's designed to be attached to a toilet rim (via The Verge). The device's included "sensors" point into the toilet bowl, allowing it to analyze what goes on in the bathroom. According to Kohler, Dekoda is a health tracker that can monitor gut health and hydration, as well as detect the presence of...

Top Rated Comments

Klae17 Avatar
144 months ago
US manufacturing continues to be a joke. First the Mac Pro delays and then this. Anyone who doesn't acknowledge this is blinded.
Score: 10 Votes (Like | Disagree)
scottsjack Avatar
144 months ago
Another use for the plant.

Easy answer;

Build Mac minis there. Make them single-core with a maximum 4GB RAM but sexy and thin with a back-lit sapphire Apple logo.

Apple wins on multiple levels with the above plan. It gets to further degrade another product and Jony gets to introduce another stupidly thin product.
Score: 9 Votes (Like | Disagree)
gdbleb Avatar
144 months ago
This still doesn't make sense. If the product wasn't good enough for Apple's plans and never was good enough, why did GTAT deploy 2,000 furnaces to prove that?
Score: 8 Votes (Like | Disagree)
OatmealRocks Avatar
144 months ago
Jobs brought more manufacturing jobs to the USA.

Job: Zero manufacturing jobs brought to the USA.
Cook: Minus 700 (or so) jobs brought to the USA.

Cook through this collapse cost many manufacturing workers their jobs.


Ive needs to make himself thin. He is very fat bordering obese now.

You think it was Cook that cost 700 jobs? You also think GTAT had 700 jobs prior to the expansion from Apple? You crazy?
Score: 7 Votes (Like | Disagree)
OatmealRocks Avatar
144 months ago
Who will be the next USA Manufacturer to take this on? Come on Apple giving an opportunity to bring the jobs back from oversea suppliers! Don't screw it up (again)!!
Score: 7 Votes (Like | Disagree)
OatmealRocks Avatar
144 months ago
US manufacturing continues to be a joke. First the Mac Pro delays and then this. Anyone who doesn't acknowledge this is blinded.
It is a joke to people thinking US can make the iPhone or some other large volume product. However if this is a goal than Apple needs to tread even slower than before as GTAT is a perfect example. Imagine building a complete product with multiple US manufacturers? And depending on them. Crazy. Someone else pointed out it would take a decade and I tend to agree that it would take that long to transition manufacturing something like an iPhone to be completely built in the US. There are just no manufacturing plants at such scale in the US. They would literally have to build a new town for this endeavor and also get the people to move their for this type of jobs. Just imagine the costs, the politics involved.

I think small scale is the best we will get for US manufacturing. Mac Pro, TB Displays.. peripherals maybe Mac Mini is about it.
Score: 5 Votes (Like | Disagree)