Crystal Boule Grinder from Japan
Crystal boule grinders precisely grind semiconductor boules to exact diameters and add orientation flats indicating conductivity type. Under HTS 8442.30.01 as apparatus for preparing printing cylinders or plates from semiconductor materials.
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
• Document grinding precision tolerances (e.g
• ±0.1mm diameter) for customs review
• Ensure machine includes flat-grinding capability as per statistical note requirements
• Avoid reclassification by specifying semiconductor boule use, not general metal grinding