Precision Wafer Edge Profiling Slotter from China
Specialized slotting machine that profiles edges of silicon wafers to exact specifications, removing cermet material for flatness and diameter control. Falls under HTS 8461.20.80 as 'other' slotting equipment for semiconductor preparation processes. Critical for preventing wafer breakage during subsequent fabrication steps.
Duty Rate — China → United States
39.4%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Include statistical note documentation proving wafer preparation function to justify Chapter 84 over Chapter 90 classification
• Maintain traceability records for cleanroom compatibility certifications required by semiconductor importers
• Avoid reclassification by specifying machine tolerances in microns suitable only for semiconductor applications