Czochralski Crystal Puller from Mexico
A Czochralski crystal puller is a specialized gas turbine-powered apparatus used to grow monocrystalline silicon boules from molten semiconductor material by precisely controlling rotation and pulling speed. It falls under HTS 8411.99.90 as a part of other gas turbines employed in semiconductor manufacturing for wafer production. The turbine provides the high-precision rotational drive essential for crystal growth.
Duty Rate — Mexico → United States
Rate breakdown
Import Tips
• Obtain end-use certification proving semiconductor manufacturing application to avoid reclassification to general machinery
• Include detailed technical specs showing gas turbine integration and wafer boule production role in commercial invoice
• Verify compliance with export controls (EAR/ITAR) as crystal growers often contain controlled precision components