Crystal Boule Grinder from Japan
Precision grinder for shaping silicon boules to exact diameters and flats indicating conductivity, often using glass tooling or enclosures for thermal control during hot processing. Under HTS 8475.29.00.00 as other glassware manufacturing machine per statistical notes on wafer preparation. Ensures wafers meet semiconductor fabrication tolerances.
Duty Rate — Japan → 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
• Include boule diameter specs and flat grinding documentation; certify for cleanroom compatibility
• Pitfall: classifying as general metal grinder without semiconductor context