Monocrystalline Boule Vacuum Inspection Pump from Canada
Vacuum pump for boule inspection stations verifying crystal quality before wafer slicing in semiconductor lines. Falls under HTS 8414.90.91.80 as supporting equipment for statistical note wafer manufacturing. Provides defect-free environment for resistivity/resistivity flat verification.
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
• Inspection protocol documentation linking to statistical note processes
• Cleanroom particle count verification
• Pitfall: pure inspection vacs may go to Chapter 90