Czochralski Crystal Puller Furnace
A Czochralski crystal puller furnace is a high-temperature furnace used to grow monocrystalline silicon boules for semiconductor wafers. It is a part of crystal grower equipment classified under heading 84.28 for other machinery, and therefore falls under tariff item 8431.39.00 as 'other' parts.
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 imported as a standalone industrial furnace
Industrial furnaces are classified in heading 84.17 when not parts of other machinery.
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Import Tips & Compliance
• Ensure the furnace is classified as a part of a larger crystal grower system of heading 84.28, not as a standalone furnace
• Provide a detailed description of its role in the crystal growth process to the CBSA
• Verify if the furnace qualifies for duty relief under the Machinery Remission Program
Related Products under Tariff item 8431.39.00
Boule Handling Robot End-Effector
A boule handling robot end-effector is a specialized vacuum or gripper attachment designed to safely lift and transport heavy semiconductor crystal boules between processing stations. It is a part principally used with machinery of heading 84.28, such as robotic handling systems in wafer manufacturing equipment, and falls under tariff item 8431.39.00 as 'other' parts.
Crystal Boule Grinder
A crystal boule grinder is a precision machine used to shape semiconductor crystal boules to exact diameters and grind flats for conductivity type identification. It is a part of wafer preparation equipment under heading 84.28, and as a part of such machinery, it is classified under tariff item 8431.39.00 as 'other' parts.
Crystal Growth Crucible Holder
A crystal growth crucible holder is a high-purity graphite or quartz component that precisely positions the crucible in Czochralski furnaces during silicon pulling. It is an essential part of crystal grower machines classified under heading 84.28, and therefore falls under tariff item 8431.39.00 as 'other' parts.
Crystal Ingot Alignment Fixture
A crystal ingot alignment fixture is a precision device that aligns semiconductor ingots before grinding or slicing operations. It is designed solely for wafer preparation machinery of heading 84.28, and as a part of such machinery, it is classified under tariff item 8431.39.00 as 'other' parts.
Diamond Slurry Distribution Manifold
A diamond slurry distribution manifold evenly distributes diamond slurry across wafer lapping and polishing platens in semiconductor preparation equipment. It is a specific part for machinery of heading 84.28, and is classified under tariff item 8431.39.00 as 'other' parts.
Float Zone Crystal Grower
A float zone crystal grower is an apparatus that uses the float zone method to produce ultra-pure monocrystalline semiconductor boules by melting and recrystallizing silicon rods. It is classified as machinery of heading 84.28 for semiconductor material processing, and its parts fall under tariff item 8431.39.00 as 'other' parts.