How to make an LED chip
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This is a guide on how to make LED chips.
It can be done in a multi-stage diffusion process.
Making an individual LED or a small number of LEDs can be done on a 1 inch or 2 inch wafer.
Making LED chips[edit]
Indium gallium nitride (InGaN) can be used to make LEDs for lighting or backlights, such as in Cree's EZ1000 LED chips.[1]
An LED chip can be about 1 millimeter by 1 millimeter square.[1]
Gallium nitride wafer
Deposition - It may be possible to use machines from Aixtron.