# 1D Photonic Crystal

Pyanodons item · internal name `1d-photonic-crystal` · 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/1d-photonic-crystal/

## Produced by (1 recipes)

### 1D Photonic Crystal (`1d-photonic-crystal`)

- 25 s · tier 7 · productivity modules allowed
- Ingredients: 25 × [Photophore](https://factorio.kalzumeus.com/item/photophore.md), 1 × [YAG laser module](https://factorio.kalzumeus.com/item/yag-laser-module.md), 20 × [Graphene roll](https://factorio.kalzumeus.com/item/graphene-roll.md), 25 × [Silver plate](https://factorio.kalzumeus.com/item/silver-plate.md), 1000 × [Vacuum](https://factorio.kalzumeus.com/fluid/vacuum.md)
- Results: 5 × [1D Photonic Crystal](https://factorio.kalzumeus.com/item/1d-photonic-crystal.md), 0.9 × [YAG laser module](https://factorio.kalzumeus.com/item/yag-laser-module.md) (90% chance)
- Made in: Molecular assembler MK 01, Molecular assembler MK 02, Molecular assembler MK 03, Molecular assembler MK 04
- Unlocked by: [Battery - Stage 4](https://factorio.kalzumeus.com/tech/battery-mk04.md)

## Used in (2 recipes)

- Distributed Bragg Reflectors (`dbr`, tier 7) → [Distributed Bragg Reflectors](https://factorio.kalzumeus.com/item/dbr.md)
- Spiro OMeTAD (`ometad`, tier 9) → [Spiro OMeTAD](https://factorio.kalzumeus.com/item/ometad.md)