Membrane Panel sometimes combines with Back Panel to form a soft and hard board. AL, Acrylic, ABS and FR4 are the most common Back Panel options. The main reason is that customers want to reduce assembly costs, so that Niceone-Keypad will assemble them. Niceone-Keypad has more advanced CNC equipment that can produce AL boards in-house.… Continue reading Derivative design of Membrane Panel-Back panel and plug-in card design