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GGG substrates,10X10mm small square Zinc oxide wafer,5x5mm GGG substrates in different orientations, Gadolinium gallium garnet GGG Gd3Ga5012 crystal substrate ---......
...general lighting, people need a white light source. In 1998, white LEDs were successfully developed. This LED is made by encapsulating a GaN chip and yttrium aluminum garnet (YAG). The GaN chip emits blue li...