Czochralski Crystal Puller
A machine used to produce monocrystalline silicon boules by slowly pulling a seed crystal from molten silicon in the Czochralski process. It falls under HTS 8479.82.0080 as specialized grinding and processing equipment for semiconductor wafer manufacturing not classified elsewhere.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for general metallurgical crystal growth
Non-semiconductor crystal pulling machines fall under other specified machines.
If lacking semiconductor-specific precision tolerances
General purpose mechanical appliances not dedicated to wafer processing.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify equipment qualifies under semiconductor statistical notes with technical specs and end-use certification
• Include detailed process descriptions in commercial invoice to avoid misclassification as general industrial grinders
Related Products under HTS 8479.82.00.80
Silicon Ingot Slicing Saw
High-precision inner diameter (ID) saw for slicing semiconductor ingots into thin wafers with minimal material loss. Classified under 8479.82.0080 as wafer manufacturing slicing equipment.
Float Zone Crystal Grower
Equipment employing the float zone method to refine and grow high-purity silicon crystals by melting a narrow zone of polycrystalline rod without a crucible. Classified in 8479.82.0080 for semiconductor-specific grinding and homogenization processes.
Crystal Boule Grinder
Precision grinder that shapes semiconductor crystal boules to exact wafer diameters and grinds orientation flats indicating conductivity type. Meets 8479.82.0080 as wafer preparation grinding equipment per statistical notes.
Semiconductor Wafer Lapping Machine
Machine that lap semiconductor wafers to achieve precise flatness and thickness uniformity required for device fabrication. Falls under 8479.82.0080 as specialized wafer preparation grinding equipment.
Wafer Edge Grinding Machine
Specialized grinder for creating precise chamfered edges on semiconductor wafers to prevent chipping during handling and processing. Classified 8479.82.0080 for semiconductor wafer preparation grinding.
Diamond Wafer Polishing System
Chemical mechanical polishing (CMP) system using diamond abrasives to achieve mirror finish on semiconductor wafers for device fabrication. 8479.82.0080 as specialized wafer grinding/polishing apparatus.