
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 | |

