Semiconductor Fab Vacuum Pump Controller Board from Japan

PCA for controlling turbomolecular vacuum pumps in semiconductor wafer processing equipment under heading 8471. Manages pump speed, pressure setpoints, and vibration isolation. HTS 8473.30.11 as printed circuit assembly without CRT.

Duty Rate — Japan → United States

25%

Rate breakdown

9903.79.0125%Semiconductor articles as provided for in subdivisions (a) and (b) of U.S. note 39 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Include vacuum level specifications (10^-9 Torr capability) proving semiconductor use

Provide EMI shielding certifications for cleanroom RF compatibility

Document integration with heading 8471 equipment via interface specifications