Wafer Lapping Machine from China
Wafer lapping machines grind and polish semiconductor wafers to precise flatness and thickness tolerances required before fabrication processes. Classified in HTS 8486.20.00.00 as apparatus for semiconductor device manufacture per statistical notes. Ensures surface planarity critical for photolithography.
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 flatness tolerances (e.g
• <1 micron) for classification support; require slurry chemical compatibility certs; test for vibration-free operation in cleanrooms