A touch panel is an input device layered on top of a visual display module. It recognizes input through touching with a finger or a stylus. A single, thin glass is used that has electrodes on a surface to detect the touched location. The signals, which are denoted by its X and Y position are transmitted through a flexible printed circuit (FPC) connected to an integrated circuit (IC). Popularity of touch panels is increasing to due its use in most personal devices such as smartphones and tablets. Other uses includes car dashboards, automated teller machines and home appliances such as ovens, washing machines, etc. Machine controls in factories are also using some forms of touch panels.