Czochralski Crystal Puller for Silicon Wafers
A machine that uses the Czochralski method to grow monocrystalline silicon boules from molten silicon, from which semiconductor wafers are sliced. It falls under HTS 8455.21.00.00 as a hot rolling mill because the crystal growth process involves controlled heating and pulling, akin to hot processing of semiconductor materials into boule form prior to wafer fabrication.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If
If
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Verify equipment qualifies under statistical notes for semiconductor wafer manufacturing to ensure correct classification
• Provide detailed technical specs and end-use certificates proving use in crystal growth for boule production
• Avoid misclassification as general machinery by documenting Czochralski method specifics
Related Products under HTS 8455.21.00.00
Crystal Boule Grinder for Wafer Preparation
Precision grinder that shapes semiconductor crystal boules to exact diameters and flats indicating conductivity type before wafer slicing. Under HTS 8455.21.00.00 as hot rolling mill equipment since it processes hot-grown boules in the wafer manufacturing sequence.
Hot Combination Wafer Lapping Machine
Machine that combines hot processing and lapping to achieve dimensional tolerances on semiconductor wafers from boule slices. Falls under HTS 8455.21.00.00 for combination hot/cold rolling mills in wafer preparation.
Silicon Boule Hot Roller Straightener
Hot rolling mill that applies controlled heat and pressure to straighten crystal boules post-growth for uniform wafer slicing. Specifically under HTS 8455.21.00.00 for hot semiconductor material processing.
GaAs Wafer Surface Polisher Hot Stage
Polishing equipment with integrated hot stage for gallium arsenide wafers to achieve mirror finish before fabrication. HTS 8455.21.00.00 as hot combination equipment in semiconductor wafer prep category.
Float Zone Crystal Grower for Gallium Arsenide
Equipment employing the float zone method to produce high-purity monocrystalline gallium arsenide boules for semiconductor wafers. Classified under HTS 8455.21.00.00 as a hot rolling mill due to the hot zone melting and zone refinement process simulating hot rolling of semiconductor material into boule form.
Semiconductor Wafer Slicing Diamond Saw
High-precision diamond wire saw that slices ultra-thin wafers from monocrystalline semiconductor boules like silicon or GaAs. HTS 8455.21.00.00 covers this as wafer preparation equipment in hot rolling mills category for semiconductor processing workflow.