Crystal Boule Grinder from Canada
Precision grinding machine with self-contained electric motor that shapes semiconductor crystal boules to exact wafer diameters and grinds orientation flats indicating conductivity and resistivity. Prepares boules for wafer slicing in semiconductor fabrication workflow. HTS 8479.89.65.00 covers this wafer preparation electromechanical appliance.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
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
• Document tolerance specifications (micron-level) to prove semiconductor precision requirements
• Separate diamond grinding wheels if imported unmounted to use lower duty tools provisions
• Conduct country-of-origin analysis for motor components affecting final classification