Semiconductor Wafer Grinder from Japan
Machine that back-grinds semiconductor wafers to precise thickness after device fabrication, using diamond wheels. Under HTS 8471.90.00.00 as wafer preparation equipment for semiconductor processing.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.94.4315%Parts of passenger vehicles and light trucks that are products of Japan as provided for in subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include wafer handling automation specs and thickness measurement verification
• Document cleanroom compatibility and particle generation specifications
• Prevent misclassification by providing comparative data vs. general grinders