Apple designs the "Vapor Chamber" for the new iPhone to prevent overheating.

At the heart of the new thermal management system is an Apple vapor chamber. Deionized water is sealed inside the vapor chamber which is laser welded into the aluminum chassis. This efficiently moves heat away from the components allowing for higher sustained performance.The vapor chamber directs heat strategically through the system where it is efficiently dissipated and released by the forge aluminum unibody. We used an applesigned aerospace grade aluminum alloy for its superior thermal conductivity which ...