Czochralski Crystal Puller Furnace from Japan
A high-temperature furnace used to produce monocrystalline silicon boules via the Czochralski method for semiconductor wafer manufacturing. It is a key component classified under HTS 8473.40.86.00 as a part of semiconductor processing machines in heading 8472. This equipment precisely controls crystal growth conditions essential for semiconductor production.
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
• Verify equipment is solely for semiconductor machines under 8472 with technical specs and end-user certificates
• Include detailed process descriptions in entry docs to avoid misclassification as general lab apparatus