Wafer Lapping Machine Hydraulic Cylinder
Double-acting hydraulic cylinder for wafer lappers that achieve critical flatness tolerances before semiconductor fabrication. Classified HTS 8412.90.90.05 as linear acting hydraulic engine part used in wafer preparation equipment. Provides micron-level control essential for device yield.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing flywheels or pulleys
Transmission components separated from pure linear actuation parts.
If for liquid pumps in lapping fluid systems
Pumps distinguished from linear motion engines in adjacent headings.
If other lab polishing apparatus parts
Laboratory semiconductor polishers may fall in optical chapter.
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Import Tips & Compliance
• Submit surface finish specifications (Ra values) proving semiconductor polishing requirements
• Include cleanroom compatibility certifications for import valuation
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Wafer Grinder Feed Hydraulic Piston
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Monocrystalline Wafer Hydraulic Clamp Cylinder
Precision hydraulic clamp cylinder holding semiconductor wafers during lapping and polishing operations. Part of linear acting hydraulic motors under HTS 8412.90.90.05 for wafer preparation equipment. Vacuum-compatible for cleanroom use.