# Silicon processing - Stage 3 (technology)

internal name `silicon-mk03` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/tech/silicon-mk03/

## Cost

1400 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each.

## Requires (1)

- [Quartz processing - Stage 4](https://factorio.kalzumeus.com/tech/quartz-mk04.md)

## Leads to (1)

- [Photovoltaic - Stage 2](https://factorio.kalzumeus.com/tech/solar-mk02.md)

## Unlocks (4 recipes)

### Monocrystalline silicon plate (`monocrystalline-plate`)

- 5 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Monocrystalline slab](https://factorio.kalzumeus.com/item/monocrystalline-slab.md), 30 × [Wax](https://factorio.kalzumeus.com/fluid/wax.md), 1 × [Diamond Wire](https://factorio.kalzumeus.com/item/diamond-wire.md)
- Results: 5 × [Monocrystalline silicon plate](https://factorio.kalzumeus.com/item/monocrystalline-plate.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04
- Unlocked by: [Silicon processing - Stage 3](https://factorio.kalzumeus.com/tech/silicon-mk03.md)

### Monocrystalline slab (`monocrystalline-slab`)

- 20 s · tier 7
- Ingredients: 3 × [Electronic Grade Silicon](https://factorio.kalzumeus.com/item/eg-si.md), 1 × [Quartz Crucible](https://factorio.kalzumeus.com/item/quartz-crucible.md)
- Results: 1 × [Monocrystalline slab](https://factorio.kalzumeus.com/item/monocrystalline-slab.md)
- Made in: Electric arc furnace MK 01, Electric arc furnace MK 02, Electric arc furnace MK 03, Electric arc furnace MK 04
- Unlocked by: [Silicon processing - Stage 3](https://factorio.kalzumeus.com/tech/silicon-mk03.md)

### Quartz Crucible (`quartz-crucible`)

- 10 s · tier 7
- Ingredients: 2 × [Advanced casting](https://factorio.kalzumeus.com/item/mold.md), 50 × [High grade quartz pulp](https://factorio.kalzumeus.com/fluid/high-grade-quartz-pulp.md)
- Results: 1 × [Quartz Crucible](https://factorio.kalzumeus.com/item/quartz-crucible.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Silicon processing - Stage 3](https://factorio.kalzumeus.com/tech/silicon-mk03.md)

### Silicon wafer (`silicon-wafer-3`)

- 5 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Monocrystalline silicon plate](https://factorio.kalzumeus.com/item/monocrystalline-plate.md), 1 × [Aramid fiber](https://factorio.kalzumeus.com/item/aramid.md)
- Results: 5 × [Silicon wafer](https://factorio.kalzumeus.com/item/silicon-wafer.md)
- Made in: Electronics factory MK 01, Electronics factory MK 02, Electronics factory MK 03, Electronics factory MK 04
- Unlocked by: [Silicon processing - Stage 3](https://factorio.kalzumeus.com/tech/silicon-mk03.md)