Crystal Boule Grinder from Canada
Machine that grinds semiconductor crystal boules to precise diameter and adds flats indicating conductivity type and resistivity. Meets HTS 8479.90.95 as wafer preparation equipment per statistical note. Essential step before wafer slicing in semiconductor production.
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
• Submit engineering drawings showing diamond grinding wheels and flat orientation mechanisms
• Documentation should reference specific tolerances (e.g
• ±0.1mm diameter control)
• Avoid pitfall of Chapter 84 part classification; prove complete functional machine status