Czochralski Crystal Puller Compressor from Germany
A specialized compressor used in Czochralski crystal growers to maintain vacuum and gas pressure during the production of monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8414.80.20 as an 'other compressor' essential for semiconductor manufacturing equipment, distinct from standard air compressors. This equipment supports the precise control required in crystal growth processes.
Duty Rate — Germany → 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 equipment is specifically for semiconductor crystal growth to qualify under statistical notes; provide manufacturer specs and end-use certificates
• Common pitfall: misclassifying as general industrial compressor without proof of semiconductor application