Wafer Lapping Plate from Mexico
Cast iron or ceramic lapping plate used in wafer grinders/lappers to achieve ultra-flat surfaces on semiconductor wafers before fabrication. HTS 8473.50.9000 classification due to principal use with 8471 semiconductor processing machines. Critical for wafer planarity specifications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Require flatness specification documentation (bow/warp measurements); surface finish certification mandatory; consider conditioning slurry import separately