Techniques for reducing disturbance in a semiconductor memory device are disclosed. Elongated rails attached to side walls of the end cap receive accessories, such as stirrups for elevating a patient’s legs during insertion of brachytherapy needles for treating prostate cancer and a leg support table for comfortable support of a patient’s legs during transport. At certain points, preferably in accordance with the gaming device theme, the device selectively adds one or more visual and audio signals to the original display, as the device transfers more and more credits. The fiber structure can be a part of a nanoparticle carrier material, a nanoparticle disposal medium, a lighting medium, and a catalysis medium. An in-focus position is determined by detecting the focusing state, and the in-focus position and photographing conditions are stored for the next photographing.