There are two big challenges that come with making a smartphone thinner. First there is how do you manage the heat from a powerful processor, and then where do you put the battery? For years, every millimeter shaved off a device meant a frustrating trade-off between performance and battery life. This is especially true for a device like the rumored ultra-slim iPhone 17 Air. Well, a recent report suggests that Apple has a tech to maintain true flagship performance in the thin body of the iPhone 17 Air, without compromises.
LG’s “Copper Post” tech may be the key to iPhone 17 Air’s super-thin body
According to rumors, the iPhone 17 Air will be Apple’s thinnest-ever phone at just 5.5mm thick. A chassis that slim would surely cause a powerful chip like the A19 Pro to run into serious thermal throttling problems. However, Apple reportedly has a solution. It’s a tiny piece of engineering called “Copper Post” technology, developed by LG Innotek.
As reported by the Korean media Joongang, instead of using traditional round solder balls to connect a chip to a circuit board, the “Innotek” method uses tiny copper pillars with a small solder ball on top. Think of it like building a stable column instead of stacking small spheres. This feat helps the semiconductor substrate, the foundation for the chip, to become up to 20% smaller.
This small change has a big impact. By creating a more compact and stable connection, this technology can help Apple to make the device thinner without compromising the performance of the A19 Pro chip. It also helps to dissipate heat more effectively than the old method. It’s not a brand-new idea, though. In fact, Apple first tested it on a communication chip in the iPhone 16e earlier this year. It seems that the results were satisfactory, as the tech is now set to reach the iPhone 17 Air.
Samsung and LG will provide the displays
Beyond the internal components, Apple is also leaning on its long-standing partners for the phone’s display. The report notes that the ultra-slim iPhone 17 Air will equip high-end, low-power LTPO OLED. Both Samsung Display and LG Display will be key suppliers of these displays.
Experts also believe that this same “Copper Post” tech could be a crucial component in a future foldable iPhone. A device with multiple folding panels will have its own unique thermal and space challenges. A technology that can create a thinner, more efficient form factor will be essential for making it a reality.
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Source: ndroidheadlines.com