Czochralski Crystal Puller from Japan
A casting machine used in semiconductor manufacturing to grow monocrystalline silicon boules via the Czochralski method by pulling a seed crystal from molten silicon. It falls under HTS 8454.30.00 as a specialized casting machine employed in metallurgy for producing high-purity ingots from which semiconductor wafers are sliced.
Duty Rate — Japan → 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 machine specifications confirm use in metallurgical casting processes, with documentation on silicon boule production
• Obtain certificates proving high-purity semiconductor-grade materials handling to avoid reclassification