Semiconductor Wafer Lapping Jig from Mexico
Multi-wafer carrier jig for simultaneous lapping of semiconductor wafers to achieve flatness tolerances critical for device fabrication. Used exclusively with lapping/polishing machines of heading 8460. HTS 8466.20.8040 as specialized work holder for semiconductor processing.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify total thickness variation (TTV) capabilities (<0.1 micron) to prove semiconductor specification
• Include cleanroom class 1 certification for customs cleanroom equipment validation
• Avoid importing with polishing slurries to prevent chemical classification complications