Czochralski Crystal Puller
A centrifuge-based machine used in semiconductor manufacturing to grow monocrystalline silicon boules via the Czochralski method by rotating and pulling crystal from molten silicon. It falls under HTS 8421.19.00.00 as 'other' centrifuges specifically for high-precision material processing in wafer production.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as a semiconductor manufacturing machine
Semiconductor-specific processing equipment may shift to 8486 under statistical notes, separate from general centrifuges.
If for laboratory-scale testing apparatus
Small-scale crystal growth units for R&D testing fall under Chapter 90 analytical instruments.
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Import Tips & Compliance
• Provide detailed technical specs and end-use statements to confirm semiconductor classification; ensure compliance with export control regulations like EAR/ITAR; verify centrifuge speed and capacity match statistical notes for Chapter 84
Related Products under HTS 8421.19.00.00
Precision Wafer Lapping Centrifuge
Centrifugal lapping machine that rotates semiconductor wafers against abrasive surfaces to achieve critical flatness for device fabrication. HTS 8421.19.00.00 includes this wafer preparation equipment.
Float Zone Crystal Grower
Centrifugal apparatus employing float zone method to produce ultra-pure silicon crystals for semiconductor wafers by rotating a molten zone along a polycrystalline rod. Classified in 8421.19.00.00 as other centrifuges for specialized semiconductor material growth.
Semiconductor Crystal Boule Grinder
High-precision centrifugal grinder that rotates crystal boules to achieve exact diameters and orientation flats indicating conductivity type for semiconductor wafers. Fits HTS 8421.19.00.00 as other centrifuges per statistical notes for wafer preparation equipment.
Gallium Arsenide Wafer Centrifuge Dryer
Centrifugal dryer specifically designed to spin-dry compound semiconductor wafers like gallium arsenide after chemical processing without surface damage. Classified under 8421.19.00.00 for other centrifugal dryers in semiconductor production.
Silicon Ingot Centrifugal Polisher
Rotating centrifugal polisher that processes silicon ingots to precise surface flatness before wafer slicing in semiconductor fabrication. Falls under HTS 8421.19.00.00 as specialized other centrifuges for wafer manufacturing preparation.
High-G Centrifuge for Wafer Stress Testing
Centrifuge applying extreme rotational forces to test semiconductor wafer mechanical integrity before device fabrication. Classified in 8421.19.00.00 as other centrifuges for semiconductor material processing and testing.