Float Zone Crystal Grower Vacuum Chamber Pump from Canada
Specialized vacuum pump component for float zone crystal growers that produce high-purity silicon crystals by float zone methods for wafer production. It handles the vacuum requirements for zone refining processes in semiconductor manufacturing. Falls under HTS 8414.90.91 as parts of vacuum pumps for semiconductor crystal growth equipment.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include float zone method technical literature and equipment blueprints to demonstrate statistical note (a)(i) applicability
• Verify pump's vacuum rating meets semiconductor purity standards (better than 10^-7 torr) for proper classification