Semiconductor Wafer Grinder from Japan
Double-sided wafer grinders reduce semiconductor wafer thickness from both sides simultaneously to final target specs post-slicing. Per statistical notes, classified under HTS 8437.80.00 for wafer preparation equipment. Achieves parallelism and thickness uniformity for device processing.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify grind wheel types (diamond/CBN) and thickness control tolerances
• Provide wafer size range (4-12 inch) and material compatibility (Si/GaAs)
• Avoid general machine tool classification by documenting semiconductor specs