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Building Better LEDs from the Bottom Up

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Hank Hogan

An LED manufacturing technique that promises to enable the production of brighter and more efficient devices has been demonstrated by investigators from National Cheng Kung University in T’ai-nan and Wu-Feng Institute of Technology in Chia-i, both in Taiwan. They employ a highly conductive nickel layer for the LED foundation and a laser liftoff process to free the devices from a performance-hindering sapphire substrate. The LED manufacturing process incorporates the addition of an electroplated nickel layer and laser liftoff. The resulting structure has the cathode and anode on opposite...Read full article

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    Published: September 2005
    Featureshigh thermal conductivityindustrialLasersLEDs

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