Czochralski Crystal Puller from Mexico

A high-power vacuum pump system used in Czochralski crystal growers to produce monocrystalline silicon boules exceeding 746 kW for semiconductor wafer manufacturing. This equipment maintains ultra-high vacuum conditions during the crystal pulling process to ensure purity and quality of semiconductor materials. Classified under 8414.80.20.75 as a vacuum pump integral to semiconductor processing exceeding the power threshold.

Duty Rate — Mexico → 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

Import Tips

Verify power rating documentation exceeds 746 kW with manufacturer specs to avoid reclassification to lower power subheadings

Include detailed end-use statements confirming semiconductor manufacturing application for statistical note compliance

Prepare for CBP scrutiny on vacuum pump integration; provide assembly diagrams showing non-separability from crystal grower