CNC boule Notching Machine from China
Numerically controlled precision saw/notcher that creates fiducial notches on silicon boules for wafer alignment in lithography. HTS 8461.50.4050 classification for NC slotting/sawing machines in semiconductor boule preparation. Ensures exact angular positioning for wafer fabrication.
Duty Rate — China → United States
41.9%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Document notch angular precision (±0.5°) and boule size range for classification verification
• Include programming specs showing crystal orientation algorithms
• Distinguish from general metal notching via semiconductor-specific vision systems