Silicon Crystal Boule Grinder from Germany
Industrial grinder designed to precisely grind silicon crystal boules to the required diameter for semiconductor wafer production, including flats indicating conductivity type and resistivity. Classified under HTS 8474.90.00.90 as grinding machinery for mineral substances in solid form, specifically for processing semiconductor materials like silicon. This equipment falls within the statistical notes for semiconductor manufacturing wafer preparation.
Duty Rate — Germany → United States
10%
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
• Verify equipment specs match statistical notes for semiconductor processing to avoid reclassification to Chapter 90
• Include detailed technical datasheets and end-use certificates proving use in mineral grinding for semiconductors