Float Zone Crystal Growth Vacuum Pump from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include technical datasheets showing vacuum chamber compatibility for float zone processes
• Ensure labeling indicates semiconductor-specific use to distinguish from general industrial pumps
• Watch for reclassification if pump is bundled with full crystal growth system as a single machine