# Heavily n-doped silicon

Pyanodons item · internal name `heavy-n` · stack size 100 · first craftable in tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/item/heavy-n/

## Produced by (1 recipes)

### Heavily n-doped silicon (`heavy-n`)

- 5 s · tier 4 · productivity modules allowed
- Ingredients: 5 × [Silicon wafer](https://factorio.kalzumeus.com/item/silicon-wafer.md), 20 × [Rare earth oxides](https://factorio.kalzumeus.com/item/reo.md), 20 × [Etching solution](https://factorio.kalzumeus.com/fluid/etching.md), 200 × [Antimony Pulp 02](https://factorio.kalzumeus.com/fluid/sb-pulp-02.md)
- Results: 10 × [Heavily n-doped silicon](https://factorio.kalzumeus.com/item/heavy-n.md)
- Made in: Gas processing unit MK 01, Gas processing unit MK 02, Gas processing unit MK 03, Gas processing unit MK 04
- Unlocked by: [Semiconductor doping](https://factorio.kalzumeus.com/tech/semiconductor-doping.md)

## Used in (5 recipes)

- MOSFET (`mosfet`, tier 4) → [MOSFET](https://factorio.kalzumeus.com/item/mosfet.md)
- Transistors (`transistor`, tier 4) → [Transistors](https://factorio.kalzumeus.com/item/transistor.md)
- Processor core (`processor-core`, tier 6) → [Processor core](https://factorio.kalzumeus.com/item/processor-core.md)
- BioFET (`biofet`, tier 7) → [BioFET](https://factorio.kalzumeus.com/item/biofet.md)
- Multi Quantum Dot Cell (`mqdc`, tier 9) → [Multi Quantum Dot Cell](https://factorio.kalzumeus.com/item/mqdc.md)