Crystal Boule Grinder from Mexico
Crystal boule grinders precisely grind semiconductor crystal ingots to exact diameters and create orientation flats indicating conductivity type and resistivity. Falls under HTS 8479.90.95.96 as wafer preparation equipment for semiconductor processing.
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
• Submit engineering drawings showing flat orientation capabilities critical for semiconductor classification
• Document achievable tolerances (typically <1 micron) to distinguish from general grinding machines