Semiconductors Supply Chain
Electronic-Grade Polysilicon
Silicon Refining
Back to all stagesCLEARCLEARCLEARCLEARCLEARCLEAR Contact
Semiconductors›Silicon Refining
Electronic-Grade Polysilicon
MG-Si is converted to trichlorosilane, distilled, and redeposited at 9N-11N purity (Siemens process). A distinct industry from solar-grade polysilicon: Hemlock (US), Wacker (DE), Tokuyama (JP), Mitsubishi Materials (JP), REC (US/NO), OCI (KR/MY).
Suppliers
6
CLEAR
6
CAUTION
0
FLAGGED
0
BLOCKED
0
Process flow
Upstream inputs
Downstream outputs
Suppliers at this stage
Hemlock Semiconductor LLC
Hemlock · US · Polysilicon| Hyper-pure (semiconductor-grade) polysilicon via Siemens process
Mitsubishi Materials Corporation
Tokyo · JP · Polysilicon| Silver Paste| Electronic-grade polycrystalline silicon
OCI Company Ltd.
Seoul · KR · Polysilicon, Chemicals| Electronic-grade and solar-grade polysilicon
REC Silicon ASA
Lysaker · NO · Metallurgical Grade Silicon (MGS) Smelting| Silane Gas, Polysilicon
Tokuyama Corporation
Shunan · JP · Polysilicon| Semiconductor/Solar Poly| High-purity polycrystalline silicon (up to 11N), electronic and solar grade
Wacker Chemie AG
Munich · DE · Metallurgical Grade Silicon (MGS) Smelting| Polysilicon, Chemicals
Building a semiconductors BOM?
Upload your bill of materials. Verdex runs CHIPS screening on every supplier.