Semiconductor Diffusion Furnace
A non-electric industrial furnace for dopant diffusion into semiconductor wafers to create device junctions, using gas phase reactions in horizontal or vertical quartz tubes. It is essential for bipolar and MOS device fabrication.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the furnace is used for heat-treatment of ores or metals.
Subheading 8417.10 covers furnaces for roasting, melting or other heat-treatment of ores, which may apply if the diffusion process involves metal treatment.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the furnace is non-electric and used for industrial semiconductor processing
• Provide a detailed process description and technical datasheets
• Confirm that the quartz tubes are included or classified separately if imported as parts
Related Products under Tariff item 8417.80.00
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