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8437.80.00/Semiconductor Crystal Ingot Grinder/Japan

Semiconductor Crystal Ingot Grinder from Japan

Ingot grinders machine semiconductor crystals to precise diameters with orientation flats before slicing into wafers. Statistical notes place under HTS 8437.80.00 as crystal grinders for boule preparation. Creates reference flats indicating crystal orientation.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Provide flat orientation specs (primary/secondary flats) and diameter tolerances

• Declare diamond wheels and coolant systems specifications