Aluminum Alloy Compressor Housing for Semiconductor Wafer Crystal Pullers from Japan
This precision-machined aluminum alloy housing encases the compressor in Czochralski crystal pullers used to grow monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8414.90.41.65 as a dedicated part of gas compressors in semiconductor manufacturing equipment, providing structural integrity and gas containment during high-vacuum crystal growth processes.
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 the housing is specifically designed for compressors in semiconductor crystal growth equipment to qualify under statistical note provisions
• Provide engineering drawings and end-use statements confirming application in wafer manufacturing to avoid misclassification as general machinery parts