# Gallium arsenide

Pyanodons item · internal name `gaas` · stack size 100 · first craftable in tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/item/gaas/

## Produced by (1 recipes)

### Gallium arsenide (`gaas`)

- 20 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Arsenic](https://factorio.kalzumeus.com/item/arsenic.md), 3 × [Rare earth oxides](https://factorio.kalzumeus.com/item/reo.md), 200 × [Vacuum](https://factorio.kalzumeus.com/fluid/vacuum.md)
- Results: 1 × [Gallium arsenide](https://factorio.kalzumeus.com/item/gaas.md)
- Made in: Nanomaterial factory MK 01, Nanomaterial factory MK 02, Nanomaterial factory MK 03, Nanomaterial factory MK 04
- Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md)

## Used in (5 recipes)

- Fiber Bragg Grating (`fbg`, tier 7) → [Fiber Bragg Grating](https://factorio.kalzumeus.com/item/fbg.md)
- InGaAs (`ingaas`, tier 7) → [InGaAs](https://factorio.kalzumeus.com/item/ingaas.md)
- Kondo core (`kondo-core`, tier 7) → [Kondo core](https://factorio.kalzumeus.com/item/kondo-core.md)
- Quantum Well (`quantum-well`, tier 7) → [Quantum Well](https://factorio.kalzumeus.com/item/quantum-well.md)
- Multi Quantum Dot Cell (`mqdc`, tier 9) → [Multi Quantum Dot Cell](https://factorio.kalzumeus.com/item/mqdc.md)