Float Zone Crystal Grower
Float zone crystal growers use zone melting to produce high-purity silicon ingots for semiconductor wafers without a crucible. The motor-driven zone traversal and rotation systems classify it as an 'other engine or motor' under this tariff item.
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 grower is designed for semiconductor manufacturing
Machines for manufacturing semiconductor boules are classified under heading 84.86.
If the grower has a specific function beyond motor operation
Other machines with specific functions are classified under heading 84.79.
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
• Document the motor-driven components to support classification under this item
• Check if the grower qualifies for a lower duty rate under a free trade agreement
• Be prepared to explain the absence of a crucible to the CBSA if questioned
Related Products under Tariff item 8412.80.00
Crystal Boule Grinder Drive Motor
A high-precision motor used to drive grinders that shape semiconductor crystal boules to exact diameters and flats. This motor is essential for preparing semiconductor wafers and is classified as an 'other engine or motor' under this tariff item.
Crystal Ingot Truing Motor
A motor used for truing semiconductor ingots to a perfect cylindrical shape before slicing. This motor ensures maximum wafer yield and is classified as an 'other engine or motor' for semiconductor preparation equipment.
Czochralski Crystal Puller
A Czochralski crystal puller is specialized equipment used to grow monocrystalline silicon boules from molten silicon, essential for semiconductor wafer production. It is classified as an 'other engine or motor' due to its motor-driven mechanisms for pulling and rotating the crystal.
Gallium Arsenide Crystal Growth Motor Assembly
Motor assemblies for growing GaAs compound semiconductor crystals using LEC or VGF methods for optoelectronic applications. These are classified as 'other engines or motors' for specialized semiconductor material production.
Mechanical Bank Spring Motor
A spring-operated motor mechanism used in novelty coin banks to animate figures when a coin is inserted. It stores mechanical energy in a spring and releases it to produce motion, qualifying as an 'other engine or motor' under tariff item 8412.80.00.
Mechanical Kitchen Timer Motor
A spring-operated motor with a bell chime used in kitchen timers and egg timers. The motor is tensioned by rotating a dial and uses an escapement to regulate the release of spring energy, driving the timing mechanism. This qualifies as an 'other engine or motor' under tariff item 8412.80.00.