Abstract: The present invention provides an auxiliary film comprising a body and a plurality of microstructures formed on a first surface of the body, the microstructures include a concave-convex appearance on the first surface, and the microstructures have two ends extending to the periphery of the first surface respectively. When the auxiliary film is attached to a pre-protected surface of a substrate, the microstructures and the surface of the substrate form several open air channels to increase the separation efficiency of the main body from the substrate and reduce the overall process time.

Abstract: A multifunction touchpad is placed on an operation panel of a notebook computer to control the notebook computer. The multifunction touchpad comprises a display panel, a control module, and a wireless transmission module. The multifunction touchpad can display an operation menu and a system message on the display panel by way of a software program, and can be used wirelessly when separated from the notebook computer.