This file type includes high-resolution graphics and schematics when applicable. Soon after membrane keyboards and switches were invented 30 years ago, they were ridiculed as a low-cost but unreliable ...

One style of low-profile keypad assembly is the conventional flexible membrane keypad where the switch circuitry is screen-printed. Silver conductive polymer inks are printed onto 1.25 mm (0.005 ...

Touchscreens and flat panel touch systems abound through consumer, commercial, industrial, medical and other markets. They are used in mobile devices, automotive interiors and many other types of ...