Wafer Surface Grinder for Pre-Polish Truing from Canada
Grinds wafer surfaces to initial flatness before lapping/polishing stages in semiconductor printing preparation chain for heading 8442 equipment. Ensures dimensional tolerances per statistical notes. HTS 8443.91.10.00 ancillary printing machine.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Serial number each grinding wheel set for traceability
• Vacuum chuck specs must match wafer sizes used in printing
• Avoid delays with pre-shipment metrology certs