Crystal Grinder Diameter Control PCA from China
A printed circuit assembly used in automated crystal grinders that shape semiconductor boules to precise wafer diameters. It processes laser measurement feedback for closed-loop diameter control. This PCA is a part of machinery used in the manufacture of semiconductor devices, falling under heading 84.71 as a component of automatic data processing machines.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the PCA is declared as a printed circuit assembly under tariff item 8473.30.20
• Provide technical documentation showing its use in semiconductor manufacturing to support classification
• Verify if the goods qualify for duty relief under any free trade agreements