8473.40.41.00/Crystal Boule Grinder Flatting Wheel/Canada

Crystal Boule Grinder Flatting Wheel from Canada

Specialized grinding wheel for creating orientation flats on silicon boules to indicate crystal plane and doping type, used in 8472.90.50 crystal grinders. Ensures wafers sliced from boule have correct conductivity markers. Part of HTS 8473.40.41.00.

Duty Rate — Canada → United States

12%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Document flat positioning specs (e.g

• primary/secondary flats per SEMI standards)

• Include boule diameter range (150-450mm) matching target 8472 machines