Servo-Controlled Hydraulic Pressure Reducing Valve for Wafer Lappers from Mexico
Servo-controlled hydraulic valve precisely regulating lapping pressure on semiconductor wafers to achieve critical flatness specifications before fabrication. HTS 8481.10.0020 for hydraulic fluid power pressure-reducing valves in wafer preparation equipment. Essential for maintaining wafer surface flatness tolerances.
Duty Rate — Mexico → United States
12%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide lapping pressure vs. removal rate correlation data for CBP verification,Include servo response time specifications matching lapping process requirements,Document cleanroom compatibility and particle generation specifications