# Medium scale integrated circuits (technology) internal name `integrated-circuits-2` · tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md)) HTML page: https://factorio.kalzumeus.com/tech/integrated-circuits-2/ ## Cost 1500 units of (1 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 2 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 3 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 6 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 10 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 20 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 180 s each. ## Requires (3) - [Cadaveric arums - Stage 2](https://factorio.kalzumeus.com/tech/cadaveric-arum-mk02.md) - [Gold processing](https://factorio.kalzumeus.com/tech/gold.md) - [Semiconductor doping 2](https://factorio.kalzumeus.com/tech/semiconductor-doping-mk02.md) ## Leads to (1) - [Electronics - Stage 3](https://factorio.kalzumeus.com/tech/advanced-circuit.md) ## Unlocks (5 recipes) ### Methanesulfonic acid (MSA) (`msa`) - 6 s · tier 6 · productivity modules allowed - Ingredients: 50 × [Dimethyl sulfide (DMS)](https://factorio.kalzumeus.com/fluid/dms.md), 100 × [Hydrogen peroxide](https://factorio.kalzumeus.com/fluid/hydrogen-peroxide.md), 100 × [Chlorine](https://factorio.kalzumeus.com/fluid/chlorine.md) - Results: 100 × [Methanesulfonic acid (MSA)](https://factorio.kalzumeus.com/fluid/msa.md) - Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04 - Unlocked by: [Medium scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-2.md) ### Printed circuit substrate (tier 3) (`pcb3`) - 5 s · tier 6 · productivity modules allowed - Ingredients: 5 × [Copper plate](https://factorio.kalzumeus.com/item/copper-plate.md), 1 × [Fiberglass](https://factorio.kalzumeus.com/item/fiberglass.md), 15 × [Nylon parts](https://factorio.kalzumeus.com/item/nylon-parts.md), 100 × [Methanesulfonic acid (MSA)](https://factorio.kalzumeus.com/fluid/msa.md), 5 × [Tin plate](https://factorio.kalzumeus.com/item/tin-plate.md) - Results: 2 × [Printed circuit substrate (tier 3)](https://factorio.kalzumeus.com/item/pcb3.md) - Made in: PCB factory MK 01, PCB factory MK 02, PCB factory MK 03, PCB factory MK 04 - Unlocked by: [Medium scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-2.md) ### Mounted circuit substrate (`pcb3-2`) - 5 s · tier 6 · productivity modules allowed - Ingredients: 1 × [Printed circuit substrate (tier 3)](https://factorio.kalzumeus.com/item/pcb3.md), 4 × [Battery](https://factorio.kalzumeus.com/item/battery-mk01.md), 3 × [Optical fiber](https://factorio.kalzumeus.com/item/optical-fiber.md) - Results: 1 × [Mounted circuit substrate](https://factorio.kalzumeus.com/item/pcb3-2.md) - Made in: PCB factory MK 01, PCB factory MK 02, PCB factory MK 03, PCB factory MK 04 - Unlocked by: [Medium scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-2.md) ### Processor (`processor`) - 10 s · tier 6 · productivity modules allowed - Ingredients: 1 × [Processor core](https://factorio.kalzumeus.com/item/processor-core.md), 4 × [Graphene roll](https://factorio.kalzumeus.com/item/graphene-roll.md), 5 × [Epoxy](https://factorio.kalzumeus.com/item/epoxy.md), 50 × [Industrial solvent](https://factorio.kalzumeus.com/fluid/industrial-solvent.md), 100 × [Vacuum](https://factorio.kalzumeus.com/fluid/vacuum.md), 2 × [Gold plate](https://factorio.kalzumeus.com/item/gold-plate.md), 2 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md) - Results: 1 × [Processor](https://factorio.kalzumeus.com/item/processor.md) - Made in: Electronics factory MK 01, Electronics factory MK 02, Electronics factory MK 03, Electronics factory MK 04 - Unlocked by: [Medium scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-2.md) ### Processor core (`processor-core`) - 8 s · tier 6 · productivity modules allowed - Ingredients: 5 × [Heavily p-doped silicon](https://factorio.kalzumeus.com/item/heavy-p-type.md), 5 × [Lightly n-doped silicon](https://factorio.kalzumeus.com/item/light-n.md), 5 × [Heavily n-doped silicon](https://factorio.kalzumeus.com/item/heavy-n.md), 2 × [Chitosan](https://factorio.kalzumeus.com/item/chitosan.md) - Results: 1 × [Processor core](https://factorio.kalzumeus.com/item/processor-core.md) - Made in: Molecular assembler MK 01, Molecular assembler MK 02, Molecular assembler MK 03, Molecular assembler MK 04 - Unlocked by: [Medium scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-2.md)