Precision Wafer Lapping Centrifuge from Canada
Centrifugal lapping machine that rotates semiconductor wafers against abrasive surfaces to achieve critical flatness for device fabrication. HTS 8421.19.00.00 includes this wafer preparation equipment.
Duty Rate — Canada → United States
11.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include total thickness variation (TTV) specs (<0.5μm); document lapping plate materials (cast iron/copper); ensure endpoint detection system description