Boule Flattening Grinder from Mexico
Specialized grinders that create precise flats on semiconductor boules to encode crystal orientation and doping information. HTS 8443.99.5050 as printing parts for crystal grinding per statistical note (a)(ii)(A). Flat geometry critical for wafer alignment.
Duty Rate — Mexico → 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
• Specify flat length/position tolerances per SEMI standards
• Document integration with puller systems
• Avoid 8459 classification; emphasize boule-specific fixturing