Patent ID: 8020423

Claim:
A method of manufacturing an electronic casing, comprising: (a) providing a metal laminate and a die of a predetermined shape, wherein the metal laminate comprises a metal top layer and a metal bottom layer that are bonded by interface atom diffusion; (b) processing the metal laminate to form a casing blank by using the die, the casing blank having at least one turning portion with a second radius of curvature; (c) providing a profiler of a predetermined shape and an electromagnetic forming device, the profiler having a turning corner with a first radius of curvature, the second radius of curvature being greater than the first radius of curvature; (d) attaching the casing blank to the profiler, and disposing the electromagnetic forming device at a position corresponding to the turning portion; and (e) activating the electromagnetic forming device, so that the casing blank has a shape corresponding to the predetermined shape of the profiler, the radius of curvature of the turning portion being made to be the same as the first radius of curvature.