Wafer Polisher Load Cell Assembly
Precision load cell sensor array for wafer polishing machines that monitors and controls downforce to achieve nanometer-level surface flatness. Essential for CMP process development. Part of 8479.89.10 wafer polishers under 8479.90.41.00.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general measuring instruments
Measuring/testing instruments typically classify in Chapter 90, even for semiconductor use
If parts of other testing machines
If used primarily for measurement rather than process control
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Import Tips & Compliance
• Specify pressure sensitivity (0.1N resolution) and cleanroom classification,Include calibration certificates traceable to NIST/SEMATECH standards,Not sensors under Chapter 90
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