Czochralski Crystal Puller Fixture from Mexico
Custom fixture for holding seed crystals and stabilizing growth chambers in Czochralski method machines that produce monocrystalline silicon boules. Essential work holder for precise control during semiconductor crystal growth under heading 8461. Falls under 8466.20.8040 as a specialized jig for semiconductor equipment.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit process flow diagrams showing integration with crystal grower (8461) to confirm principal use
• Declare material compatibility (e.g
• quartz, graphite) to avoid hazardous material scrutiny
• Watch for anti-dumping duties on precision fixtures from certain Asian manufacturers