Rebuilt Wafer Lapping Machine NTC-82S from Mexico
Used numerically controlled lapping machine for flattening semiconductor wafers to optical tolerances by cermet removal. HTS 8461.90.30.60 covers this rebuilt tool for other metalworking processes. Critical step after grinding in wafer preparation.
Duty Rate — Mexico → United States
14.4%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document lapping plate material and flatness specs (e.g
• <1μ)
• Obtain SEMI-GAS compatibility certification