Silicon Ingot Vacuum Annealing Pump from Canada
Vacuum pump for semiconductor ingot annealing furnaces that relieve stresses post-crystal growth. Classifiable under HTS 8414.90.91.80 as part of wafer manufacturing equipment supporting crystal processing. Ensures defect-free wafers through controlled thermal processing.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Annealing cycle parameters proving semiconductor material compatibility
• High-temperature seal material specs required
• Pitfall: furnace vacs without semi link go to 8414.90.20