Wafer Chuck Vacuum Plate for Crystal Grinders from Mexico
This precision vacuum chuck plate secures semiconductor crystal boules during grinding to exact diameters and flats indicating conductivity. It is a part suitable solely for grinding machines of heading 84.64, which include machines for working hard materials. As a part for those machines, it is classified under tariff item 8466.91.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Classify the vacuum plate as a part, not as a work holder, since it is specific to heading 84.64 machines; work holders are covered by subheading 8466.20
• Provide documentation showing the plate's sole use with specific grinder models
• Verify if the plate's vacuum system requires separate classification