Crystal Boule Grinder Flatting Wheel from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Document flat positioning specs (e.g
• primary/secondary flats per SEMI standards)
• Include boule diameter range (150-450mm) matching target 8472 machines