Wafer Slicing Saw Coolant Compressor Piston
High-precision piston for hermetic compressors that circulate coolant and slurry in diamond wire wafer slicing saws, cutting monocrystalline boules into thin semiconductor wafers. Ensures consistent pressure for uniform slicing without thermal distortion. Classified in 8414.90.41.55 for parts of semiconductor wafer preparation compressors under 8414.40.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integral to complete wafer slicing machinery
Mixing/bending machines for semiconductor material processing include internal compressors.
If generic coolant compressors not semiconductor-specific
Lacks statistical note criteria for semiconductor wafer equipment.
If part of measuring equipment for slice thickness
Precision measuring instruments for semiconductor wafers in Chapter 90.
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Import Tips & Compliance
• Submit engineering specs showing pressure ratings compatible with wafer saw slurry systems
• Document cleanroom-grade materials to distinguish from industrial compressor parts
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