Phase Shift Mask Writer from China
Specialized stepper that creates phase shift masks with precise thickness control for advanced lithography. Dedicated semiconductor mask manufacturing equipment under HTS 8486.40.0010.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Document phase shifting layer deposition specifications and overlay accuracy
• Include mask format compatibility (6-inch, 8-inch quartz substrates)
• Prevent misclassification as wafer stepper by proving mask-only functionality