A roll feed bottom sheet inserter is described in which a conveyor on a conveyor frame includes a working flight defining a load support surface and a forward load path leading to a bottom sheet insertion station. A shield element is attached to at least one of the leadframe portions. An absorber layer may be deposited within the opening to sufficiently reduce the amount of reflection within dark region. The said preparation methods have simple technique, no pollution, manageable process conditions and low equipment requirement, and are beneficial to industry production. The selected digital image is then presented to the user, and the selected animation is performed with respect to the image. The first well region of the first field effect transistor is electrically connected to the source region of the second field effect transistor, and the gate electrode of the first field effect transistor is electrically connected to the drain region of the second field effect transistor.