Semiconductor Crystal Boule Grinder from Japan
A precision grinder used to shape semiconductor crystal boules to exact wafer diameters and flats that indicate conductivity type. It is a key part of wafer preparation equipment classified under heading 84.25, and as a part suitable solely or principally for such machinery, it falls under tariff item 8431.10.00. This grinder is used post-growth to prepare boules for subsequent slicing and processing.
Duty Rate — Japan → Canada
Import Tips
• Ensure the grinder is declared as a part of machinery of heading 84.25, with supporting documentation showing its sole or principal use
• Verify whether the item qualifies for preferential tariff treatment under a free trade agreement by providing a valid certificate of origin
• Be prepared to demonstrate that the grinder is not a complete machine, which would be classified elsewhere