Home > Electronic Devices > DOMET-el  SEIKO Precision developed a proprietary automated process to pick & place Metal Domes directly on the back side of an EL foil, thus realising a single foil solution for domes & backlight. 12 types of Metal Domes are available ranging from 3.5mm to 6mm diameter. This innovative solution simplify the design of a keypad and enhance its cosmetics appearance while saving energy. Applications - Mobile Phones - PDA - Portable Medical Devices - Payment terminals - PMR phones - Hand Held GPS devices - Car Entertainment Systems - Car buttons & Switches - Motorbike Switches - Membrane Switches - SMS keyboards Characteristics Design : Single foil solution Profile : Thinnest profile : 0.56mm ( Dome + EL ) Cosmetics : Excellent uniformity Feeling : Click ratio from 40% to 70% ( selectable ) Current : typ. less than 10mA ( 20 keys ) Protection : High resistance to ESD discharge Key Tops : Suitable for Plastic & Silicon Key tops Long Life : Up to 1 million actuations Temperature : -40°C to 85°C Actuator : 1 mm ~ 1.5mm diameter shape Design Rules : SEIKO Precision Design rules Brightness : More than twice as bright as conventional separate type