Czochralski Crystal Puller Vacuum Pump from Germany
A centrifugal vacuum pump used in Czochralski crystal growers to create the high-vacuum environment necessary for producing monocrystalline silicon boules from which semiconductor wafers are sliced. It falls under HTS 8414.80.20.15 as a centrifugal air or vacuum pump integral to semiconductor manufacturing equipment for crystal growth. This classification aligns with statistical notes for wafer manufacturing equipment.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Verify pump specifications match semiconductor use to avoid reclassification; provide manufacturer certifications linking to crystal grower systems; ensure vacuum ratings and materials are documented for CBP review