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EL offers many advantages for industrial, aerospace, automotive and computer applications:

*Thin (typically .012") and flexible light source

*Lower power consumption - typically .15mA/cm2

*Generates very little heat (approx. 1°C above ambient)

*Vibration and impact resistant

*Withstands thermal shock

*No catastrophic failures

*Typical half life => 2000 hours

*Voltage range 20-200V AC Frequency 50-3000Hz Some of the many advantages of the elastomer electroluminescent backlighting technology include:

*No light pipes to design or mold - translucent elastomer functions as a light pipe

*Fewer components compared to assemblies utilizing light pipes and light dams with plastic keycaps and/or mechanical switches

*Thin and flexible light source (.020"-.060" typical switch travel)

*Variable tactile response from the dual layer elastomer construction

*Different day and night graphic colors

*Sealed top surface

*Laser-etched graphics

*Elastomeric graphic layer can be on a thin contoured surface

*Operation Temperature -30° to +80°C

* PATENT NUMBER 5,747,756