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Wafer Polisher Rotation Controller PCA from China

This printed circuit assembly (PCA) controls multi-platen rotation speeds in chemical mechanical planarization (CMP) wafer polishers for semiconductor devices. It ensures uniform material removal rates across wafer surfaces. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.

Duty Rate — China → Canada

0%

Import Tips

• Declare the PCA under 8473.30.20 as a printed circuit assembly for heading 84.71 machines

• Confirm the PCA is not a motor controller classified elsewhere; if it is a complete motor, it may be excluded

• Provide technical data to support the principal use claim

Wafer Polisher Rotation Controller PCA from China — Import Duty Rate | Tariff item 8473.30.20