Czochralski Crystal Puller Vacuum Pump
A specialized vacuum pump used in Czochralski crystal growers to create a vacuum environment for producing monocrystalline silicon boules from which semiconductor wafers are sliced. It falls under HTS 8414.10.00.00 as a vacuum pump essential for semiconductor manufacturing equipment.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 2.5% | +35.0% | 37.5% |
| 🇲🇽Mexico | 2.5% | +10.0% | 12.5% |
| 🇨🇦Canada | 2.5% | +10.0% | 12.5% |
| 🇩🇪Germany | 2.5% | +10.0% | 12.5% |
| 🇯🇵Japan | 2.5% | +10.0% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily for testing semiconductor devices
Testing apparatus for physical properties in semiconductor production falls under Chapter 90 provisions.
If integrated as a part of a complete crystal grower machine
Machines for semiconductor processing not elsewhere specified are classified in 8479.
If classified as a compressor rather than vacuum pump based on function
Gas compressors used in similar manufacturing processes have separate provisions.
Not sure which classification is right?
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Import Tips & Compliance
• Verify pump specifications match vacuum levels required for crystal growth to ensure correct classification under Chapter 84
• Provide detailed end-use documentation proving semiconductor manufacturing application to avoid misclassification as general lab equipment
Related Products under HTS 8414.10.00.00
Float Zone Crystal Growth Vacuum Pump
High-vacuum pump designed for float zone method crystal growers, maintaining ultra-clean vacuum conditions to produce pure semiconductor boules. Classified under HTS 8414.10.00.00 for vacuum pumps in semiconductor wafer manufacturing.
Crystal Boule Grinder Vacuum Pump
Dry vacuum pump for crystal grinders that shape semiconductor boules to precise diameters and flats indicating conductivity type. HTS 8414.10.00.00 covers this wafer preparation vacuum equipment.
Dry Scroll Vacuum Pump for Wafer Processing
Dry scroll vacuum pump providing oil-free vacuum for load lock chambers in semiconductor wafer processing tools. Falls under HTS 8414.10.00.00 as specified in wafer manufacturing equipment notes.
Semiconductor Wafer Polisher Vacuum Pump
Turbo-molecular vacuum pump for chemical mechanical polishers achieving mirror-finish wafer surfaces within nanometer flatness for fabrication processes. HTS 8414.10.00.00 for vacuum pumps in wafer polishing equipment.
Wafer Slicing Saw Vacuum Pump
Vacuum pump integrated with diamond wire wafer slicing saws to remove slurry and maintain clean environment during slicing of semiconductor wafers from boules. Falls under HTS 8414.10.00.00 as dedicated vacuum pump for wafer preparation.
Wafer Lapping Vacuum Extraction Pump
Oil-free vacuum pump for wafer lappers that extracts lapping slurry and maintains flatness tolerances during semiconductor wafer surface preparation. Classified in HTS 8414.10.00.00 per statistical notes for wafer preparation equipment.