Wafer Patterned Film Inspector from China
Ellipso-polarimetric optical system for patterned wafer thin film stress and thickness uniformity inspection. Uses multiple angles of incidence for complete characterization. HTS 9031.41.00.40 for advanced semiconductor wafer optics.
Duty Rate — China → United States
25%
Rate breakdown
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]
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Azimuth/angle of incidence ranges essential for classification documentation
• Cleanroom vibration specs (1 μg) verify semiconductor application
• Pure ellipsometer functionality risks 9027.50 analytical instrument shift