Making GaN bulk crystals, step 4: LEDs are fabricated on bulk GaN substrate. One electrode goes on top of the LED and the other on the conducting GaN substrate.
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Substrate for III-V Nitride Epitaxy. -
Gallium Nitride epi wafers on sapphire substrates. -
Making GaN bulk crystals, step 2: Slicing the grown GaN boule into wafers... -
Making GaN bulk crystals, step 3: Polishing the wafers. -
Making GaN bulk crystals, step 4: LEDs are fabricated on bulk GaN substrate....
