8431.39.00/Wafer Thickness Control Gauge Mount/Canada

Wafer Thickness Control Gauge Mount from Canada

Mounting fixture that positions in-process thickness gauges on wafer grinders for real-time feedback control. Part of semiconductor wafer preparation machinery of 8428. Under 8431.39.00.

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

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Import Tips

• Micron-level positioning tolerance docs; integrate with gauge calibration certs

• Distinguish from chapter 90 instruments