Float Zone Crystal Grower
An electromechanical apparatus employing the float zone method to produce high-purity monocrystalline silicon rods by melting and recrystallizing a polycrystalline rod using RF heating and motorized zone travel. This machine is critical for semiconductor manufacturing. It performs a specialized function not specified elsewhere in Chapter 84, so it is classified under 8479.89.90.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the machine is solely or principally used for manufacturing semiconductor devices
Heading 84.86 specifically covers machines for the manufacture of semiconductor devices, which may be more appropriate for crystal growers.
If the machine operates primarily by a temperature change process
Heading 84.19 covers machinery for the treatment of materials by a change of temperature, which may apply if the grower's primary function is thermal.
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
• Provide a detailed technical description of the float zone process and the machine's role in semiconductor manufacturing to support classification
• Check if the equipment qualifies for duty relief under the Machinery Remission Program for semiconductor production
• Ensure the machine's RF heating and electrical systems meet Canadian safety standards
Related Products under Tariff item 8479.89.90
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Automated Optical Media Finishing and Inspection Line
A turnkey finishing line combining edge polishing, center hub insertion, and automated defect inspection for completed optical discs. This line performs a comprehensive manufacturing function for optical media. It is a specialized machine with an individual function, not specified elsewhere in Chapter 84, so it is classified under 8479.89.90.
Blu-ray Disc Replication Line
A complete production line machine that electroforms metal masters, stamps polycarbonate substrates, applies reflective layers, and bonds discs for Blu-ray manufacturing. This line performs a comprehensive manufacturing function for optical media. It is a specialized machine with an individual function, not specified elsewhere in Chapter 84, so it is classified under 8479.89.90.
Boule Orientation Grinder
A precision grinder with a motorized X-Y table used to create flats on semiconductor boules at specific angles, indicating crystal orientation, doping type, and resistivity. This machine is essential for aligning wafers during semiconductor processing. It is a specialized machine with an individual function, not specified elsewhere in Chapter 84, so it is classified under 8479.89.90.
CD-ROM Stamper and Injection Molding Machine
An industrial machine that uses nickel stamper molds to inject polycarbonate and form the base structure of CD-ROMs during optical media production. This machine performs a specialized function in optical disc manufacturing. It is a specialized machine with an individual function, not specified elsewhere in Chapter 84, so it is classified under 8479.89.90.
Crystal Boule Grinder
A precision grinding machine with a self-contained electric motor that shapes semiconductor crystal boules to exact wafer diameters and grinds orientation flats indicating conductivity and resistivity. This machine prepares boules for subsequent wafer slicing. It is a specialized machine with an individual function, not specified elsewhere in Chapter 84, so it is classified under 8479.89.90.