Rebuilt Float Zone Crystal Grower from Japan
A used float zone furnace rebuilt for producing high-purity silicon crystals by zone melting without a crucible. Classified in HTS 8463.90.0040 as other used machine tools for metalworking without material removal, applied to semiconductor crystal processing. Ideal for defect-free boule 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
• Obtain affidavits confirming rebuild status and operational testing post-rebuild
• Declare exact semiconductor processing capabilities to prevent misclassification
• Check for hazardous material residues from prior silicon processing