Czochralski Crystal Puller from Japan
A specialized vacuum pump-equipped machine used to grow monocrystalline silicon boules from molten semiconductor material via the Czochralski method. It falls under HTS 8414.80.90.00 as an 'other' air or vacuum pump system dedicated to semiconductor manufacturing processes. The integrated vacuum system maintains the controlled environment necessary for crystal purity.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Obtain end-use certification proving semiconductor manufacturing application to avoid reclassification
• Include detailed technical specs showing vacuum pump integration in import documentation
• Verify compliance with semiconductor equipment export controls from origin country