Monocrystalline Boule Flattener Fixture from Canada
Custom fixture for grinding orientation flats on silicon/gallium arsenide boules to denote crystal plane and doping type. Used solely with crystal grinders of semiconductor machinery heading 8430. 8431.49.90.
Duty Rate — Canada → 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 flat length/angle specs per SEMI standards (M1-0302)
• Documentation must show semiconductor boule exclusivity
• Avoid generic tooling classification