Single-Side Wafer Lapper from Canada
Single-side wafer lappers use loose abrasive slurries to achieve precise wafer thickness and flatness on one surface simultaneously. Essential for preparing wafers before final polishing. HTS 8442.30.0150 covers this as other preparation apparatus.
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
• Specify lapping plate materials (tin, copper) and slurry composition in technical specs
• Include flatness specification capabilities (TTV <1μm)
• Document pressure control systems for uniform material removal