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The interesting thing about gallium nitride is its use in blue LEDs (light-emitting diodes), which was discovered in 1972 and perfected in 1993, resulting in a
by chasil 4y ago
The interesting thing about gallium nitride is its use in blue LEDs (light-emitting diodes), which was discovered in 1972 and perfected in 1993, resulting in a Nobel prize.
https://en.wikipedia.org/wiki/Light-emitting_diode#Blue_LED https://en.wikipedia.org/wiki/Light-emitting_diode#Blue_LED
I wonder what new engineering knowledge has emerged about gallium nitride that allowed it to become such a recent force in power supply electronics.
I didn't know that gallium nitride is transparent.
https://en.wikipedia.org/wiki/Gallium_nitride https://en.wikipedia.org/wiki/Gallium_nitride
- Kirby64 4y agoIt's effectively process technology improvements that allow gallium nitride devices to become less defect prone. It's been known for some time that GaN has a superior electron mobility number (which, effectively means you can get a better/smaller/lower impedance/faster switching device depending on which tradeoff you want). Problem is, getting reasonably good process control has been challenging. It appears some folks in the industry have been overcoming that challenge, therefore we're seeing the results of that.