Float Zone Crystal Grower from Japan
Vacuum chamber system with RF heating and vacuum pumps for producing high-purity silicon crystals using the float zone technique in semiconductor production. Classified in 8414.80.90.00 due to its primary vacuum pump functionality for maintaining inert atmospheres during crystal growth.
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
• Provide process flow diagrams demonstrating crystal growth application in entry docs
• Ensure vacuum pump specifications exceed general industrial thresholds
• Check for anti-dumping duties on semiconductor equipment from certain origins