# Large scale integrated circuits (technology) internal name `integrated-circuits-3` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) HTML page: https://factorio.kalzumeus.com/tech/integrated-circuits-3/ ## Cost 2250 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 (2) - [Colloidal silica](https://factorio.kalzumeus.com/tech/colloidal-silica.md) - [Nanoelectromechanical systems](https://factorio.kalzumeus.com/tech/nems.md) ## Leads to (1) - [Optical parametric oscillator](https://factorio.kalzumeus.com/tech/parametric-oscilator.md) ## Unlocks (6 recipes) ### Arsenic (`arsenic`) - 20 s · tier 7 - Ingredients: 10 × [Iron ore](https://factorio.kalzumeus.com/item/iron-ore.md), 10 × [Copper ore](https://factorio.kalzumeus.com/item/copper-ore.md), 20 × [Rich clay](https://factorio.kalzumeus.com/item/rich-clay.md), 10 × [Lead ore](https://factorio.kalzumeus.com/item/ore-lead.md), 10 × [Antimony ore](https://factorio.kalzumeus.com/item/antimonium-ore.md) - Results: 1 × [Arsenic](https://factorio.kalzumeus.com/item/arsenic.md), 5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) - Made in: Smelter MK 01, Smelter MK 02, Smelter MK 03, Smelter MK 04 - Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md) ### 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) ### Kondo core (`kondo-core`) - 10 s · tier 7 · productivity modules allowed - Ingredients: 5 × [Superconducting wire](https://factorio.kalzumeus.com/item/sc-wire.md), 8 × [Graphene roll](https://factorio.kalzumeus.com/item/graphene-roll.md), 2 × [Industrial diamond](https://factorio.kalzumeus.com/item/diamond.md), 4 × [Colloidal silica](https://factorio.kalzumeus.com/item/colloidal-silica.md), 10 × [Molybdenum disulfide (MoS2)](https://factorio.kalzumeus.com/item/molybdenum-sulfide.md), 15 × [Optical fiber](https://factorio.kalzumeus.com/item/optical-fiber.md), 120 × [Vacuum](https://factorio.kalzumeus.com/fluid/vacuum.md), 3 × [Nanofibrils](https://factorio.kalzumeus.com/item/nanofibrils.md), 1 × [Gallium arsenide](https://factorio.kalzumeus.com/item/gaas.md), 10 × [Heavily p-doped silicon](https://factorio.kalzumeus.com/item/heavy-p-type.md), 10 × [Lightly n-doped silicon](https://factorio.kalzumeus.com/item/light-n.md) - Results: 1 × [Kondo core](https://factorio.kalzumeus.com/item/kondo-core.md) - Made in: Molecular assembler MK 01, Molecular assembler MK 02, Molecular assembler MK 03, Molecular assembler MK 04 - Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md) ### Kondo processor (`kondo-processor`) - 4 s · tier 7 · productivity modules allowed - Ingredients: 1 × [Kondo substrate](https://factorio.kalzumeus.com/item/kondo-substrate.md), 1 × [Kondo core](https://factorio.kalzumeus.com/item/kondo-core.md), 5 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md), 1 × [Aerogel](https://factorio.kalzumeus.com/item/aerogel.md), 1 × [Zinc oxide nanoparticles](https://factorio.kalzumeus.com/item/zno-nanoparticles.md), 150 × [Vacuum](https://factorio.kalzumeus.com/fluid/vacuum.md), 3 × [Nanowires](https://factorio.kalzumeus.com/item/nano-wires.md) - Results: 1 × [Kondo processor](https://factorio.kalzumeus.com/item/kondo-processor.md) - Made in: Molecular assembler MK 01, Molecular assembler MK 02, Molecular assembler MK 03, Molecular assembler MK 04 - Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md) ### Kondo substrate (`kondo-substrate`) - 12 s · tier 7 · productivity modules allowed - Ingredients: 100 × [Industrial solvent](https://factorio.kalzumeus.com/fluid/industrial-solvent.md), 50 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md), 5 × [Nylon parts](https://factorio.kalzumeus.com/item/nylon-parts.md), 1 × [Heavy fermion material](https://factorio.kalzumeus.com/item/heavy-fermion.md), 2 × [Sub denier microfiber](https://factorio.kalzumeus.com/item/sub-denier-microfiber.md), 2 × [NENBIT matrix](https://factorio.kalzumeus.com/item/nenbit-matrix.md) - Results: 1 × [Kondo substrate](https://factorio.kalzumeus.com/item/kondo-substrate.md) - Made in: PCB factory MK 01, PCB factory MK 02, PCB factory MK 03, PCB factory MK 04 - Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md) ### Printed circuit substrate (tier 4) (`pcb4`) - 4 s · tier 7 · productivity modules allowed - Ingredients: 1 × [Mounted circuit substrate](https://factorio.kalzumeus.com/item/pcb3-2.md), 2 × [Heavy fermion material](https://factorio.kalzumeus.com/item/heavy-fermion.md), 20 × [Nylon parts](https://factorio.kalzumeus.com/item/nylon-parts.md), 3 × [Ceramic](https://factorio.kalzumeus.com/item/ceramic.md), 2 × [Zinc oxide nanoparticles](https://factorio.kalzumeus.com/item/zno-nanoparticles.md), 40 × [Etching solution](https://factorio.kalzumeus.com/fluid/etching.md), 50 × [Methanesulfonic acid (MSA)](https://factorio.kalzumeus.com/fluid/msa.md), 5 × [Lead plate](https://factorio.kalzumeus.com/item/lead-plate.md), 5 × [Bio battery](https://factorio.kalzumeus.com/item/biobattery.md) - Results: 1 × [Printed circuit substrate (tier 4)](https://factorio.kalzumeus.com/item/pcb4.md) - Made in: PCB factory MK 01, PCB factory MK 02, PCB factory MK 03, PCB factory MK 04 - Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md)