Vacuum Pump Controller PCB from Japan
Printed circuit boards regulating pump speed and pressure in semiconductor processing vacuum stations. HTS 8414.90.91.40 as electronic parts of vacuum pumps for crystal boule grinding. Interfaces with fab automation systems.
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
• Attach firmware specs showing pump-specific algorithms
• Declare RoHS compliance for electronics in cleanrooms