E-Beam Mask Inspection System from China

High-resolution electron beam inspection detecting sub-20nm defects on patterned photomasks. Essential semiconductor mask manufacturing quality control 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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Specify e-beam voltage, current density, and defect classification algorithms

Document vacuum system specifications for mask handling without charging

Prevent Chapter 90 classification by proving manufacturing line integration