Stage 3 of 12Inputs & materials
Wafer manufacturing
Growing crystals and slicing polished wafers.
What happens here?
Polysilicon is melted and pulled into a single-crystal ingot, which is sliced, lapped, and polished into the flat, defect-free wafers that every chip is built on.
Who participates
- Silicon wafer manufacturers
Technologies involved
- Czochralski crystal growth
- Slicing, lapping & polishing (CMP)
Equipment required
- Czochralski puller
- Wire saw
- CMP polisher
Materials required
- Polysilicon
- Quartz crucibles
- Polishing slurry
Skills required
- Crystal growth
- Precision machining
- Metrology
Research happening
- Larger-diameter wafers
- Edge-defect and warp reduction
Companies operating here
From Semitree's directory (a curated sample) — types: Silicon / wafers, Materials.
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Supply-chain intelligence
These dimensions are architected for this stage. Only data derived from verified sources is shown — no speculative figures.
- Companies· available
- Geographic concentration· planned
- Supply-chain risk· planned
- Capacity· planned
- Investments· planned
- Technology dependencies· planned