Semiconductor Wafer Crystal Puller Control Board from United States
This printed circuit assembly (PCA) is the main control board for Czochralski crystal pullers used in producing monocrystalline silicon boules for semiconductor wafers. It manages temperature, rotation, and pulling parameters critical for crystal growth. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.
Duty Rate — United States → Canada
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Classify the PCA under 8473.30.20 as a printed circuit assembly for heading 84.71 machines
• Confirm the PCA is not a complete machine itself; if it performs a specific function, it may be classified elsewhere
• Retain technical specifications to support the principal use claim