Semiconductor Wafer Crystal Puller Control Board from Canada
This printed circuit assembly (PCA) serves as the main control board for Czochralski crystal pullers used in producing monocrystalline silicon boules for semiconductor wafers. It manages temperature, rotation, and pulling speed parameters essential for crystal growth. Classified under HTS 8473.30.11 as a PCA for machines of heading 8471 dedicated to semiconductor manufacturing.
Duty Rate — Canada → United States
Rate breakdown
Import Tips
• Provide detailed machine compatibility documentation proving sole use with heading 8471 semiconductor equipment to avoid reclassification
• Include electrostatic discharge (ESD) protection certifications and RoHS compliance declarations for cleanroom compatibility
• Verify no cathode ray tube incorporation via engineering schematics to qualify under this subheading