Servo-Controlled Hydraulic Pressure Reducing Valve for Wafer Lappers from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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