Float Zone Crystal Growth Axial Compressor
An axial gas compressor employed in float zone crystal pullers to manage inert gas flow and pressure during the production of high-purity monocrystalline semiconductor boules. Classified under HTS 8414.80.20.15 for axial compressors in semiconductor wafer manufacturing per statistical notes on crystal growers and pullers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other than centrifugal/axial type
Non-centrifugal/axial compressors for gas handling in crystal growth use adjacent subheadings.
If treated as a valve or regulator assembly
Complex assemblies may shift to machinery parts if pump function is secondary.
If for contamination-free cleanroom air handling
Integral cleanroom recirculating systems classify under air treatment equipment.
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Import Tips & Compliance
• Include process flow diagrams showing integration with float zone systems; label as semiconductor-specific to differentiate from general industrial compressors; watch for anti-dumping duties on certain origins
Related Products under HTS 8414.80.20.15
Czochralski Crystal Puller Vacuum Pump
A centrifugal vacuum pump used in Czochralski crystal growers to create the high-vacuum environment necessary for producing monocrystalline silicon boules from which semiconductor wafers are sliced. It falls under HTS 8414.80.20.15 as a centrifugal air or vacuum pump integral to semiconductor manufacturing equipment for crystal growth. This classification aligns with statistical notes for wafer manufacturing equipment.
Semiconductor Wafer Slicing Saw Vacuum Pump
Centrifugal vacuum pump integrated with wafer slicing saws to evacuate cutting zones and coolant chambers during precise slicing of semiconductor wafers from crystal boules. HTS 8414.80.20.15 applies as centrifugal pumps for wafer preparation equipment noted in statistical definitions.
Crystal Boule Grinder Centrifugal Air Compressor
Centrifugal compressor supplying clean, dry air to pneumatic controls and coolant systems in crystal grinders that shape semiconductor boules to precise wafer diameters. Falls under HTS 8414.80.20.15 per statistical notes for wafer preparation grinders.
Wafer Lapping Machine Axial Vacuum Pump
Axial vacuum pump removing slurry and debris during the lapping process that achieves critical flatness on semiconductor wafers prior to fabrication. Classified in HTS 8414.80.20.15 as axial pumps for wafer preparation equipment listed in statistical notes.
Silicon Wafer Polisher Vacuum Centrifugal Pump
High-vacuum centrifugal pump evacuating chemical mechanical polishing (CMP) chambers to prevent contamination during final wafer surface preparation for device fabrication. HTS 8414.80.20.15 covers centrifugal pumps in wafer polishers per statistical wafer preparation provisions.
Gallium Arsenide Wafer Processing Axial Compressor
Axial compressor delivering precisely controlled gas atmospheres for gallium arsenide wafer processing equipment covered in statistical notes. Used in both growth and preparation stages; HTS 8414.80.20.15 for axial types in semiconductor apparatus.