Float Zone Crystal Grinder Chuck from Germany
Vacuum chuck assembly for float zone crystal grinders that shape semiconductor boules to precise wafer diameters while maintaining flat orientation indicators. This accessory for heading 8461 machines is classified in HTS 8466.93.98.85 due to its specialized use in semiconductor material processing. Ensures conductivity type markings remain accurate during grinding.
Duty Rate — Germany → United States
14.7%
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
Import Tips
• Document vacuum specifications and flatness tolerances proving semiconductor use; include boule diameter compatibility range; ensure material certificates for contamination-free operation