Apple’s new iPhone 17 Pro and Pro Max introduce vapor-chamber cooling, a technology already used by brands like Samsung and Google but new to Apple’s phones. These models contain thin, hermetically sealed chambers holding a small amount of deionized water. When the phone heats up mainly around the chip the water evaporates, carrying heat through the chamber. As the vapor reaches cooler sections of the phone’s aluminum frame, it condenses back into liquid, releasing the heat. This continuous cycle spreads heat more efficiently than the traditional copper plates used in earlier phones. Experts such as Stanford’s Kenneth Goodson note that phase-change cooling works especially well in devices where space is extremely limited. Vapor chambers allow high heat removal while keeping phones thin, which has become a major design priority. However, manufacturing these chambers is difficult. They must remain perfectly sealed, and making them thinner reduces the space the fluid needs to function properly. Vapor chambers also cost more to produce compared to solid heat spreaders. Despite challenges, Apple and other manufacturers see value in this approach for top-tier devices. Beyond performance improvements, the technology offers a “wow factor,” and experts believe vapor-chamber cooling may soon become standard in high-performance smartphones.
Read more-https://spectrum.ieee.org/iphone-17-pro-vapor-chamber