Laser Anneal Cooling Water System from Mexico
High-flow deionized water cooling system for millisecond laser annealing equipment, rapidly cooling wafer backside post 1300°C melt for junction engineering. Classifies 8419.89.9540 as semiconductor processing cooling excluding domestic use.
Duty Rate — Mexico → United States
14.2%
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
• Include laser power density and wafer bow control specifications
• Document DI water purity requirements for wafer protection
• Avoid 8419.20 medical cooling by proving semiconductor thermal processing