Gallium Arsenide Wafer Grinder Pneumatic Drive from Japan
Linear pneumatic drive system for gallium arsenide (GaAs) wafer grinders used in compound semiconductor device fabrication. HTS 8412.90.9025 classification for linear acting pneumatic motors in wafer preparation equipment handling brittle GaAs material. Specialized contamination control design.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document GaAs contamination control (arsenic handling) and fragility specs; include III-V semiconductor end-use statement
• Prevent misclassification as general semiconductor equipment