Crystal Boule Grinder Hydraulic Actuator
Hydraulic linear actuator for crystal grinders that shape semiconductor boules to precise diameters and flats indicating conductivity type. Falls under HTS 8412.90.90.05 as part of linear acting hydraulic motors in semiconductor crystal preparation equipment. Critical for maintaining resistivity specifications in wafer production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported with complete crystal grower/puller system
Parts of unlisted semiconductor machines go to 8479.90 basket provisions.
If parts of non-linear acting hydraulic systems
Specific subheading for non-linear hydraulic engine parts exists separately.
If for wafer flatness testing equipment
Parts of semiconductor testing machines classified in Chapter 90 per statistical notes.
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Import Tips & Compliance
• Include process flow documentation showing integration in boule grinding stations
• Certify pressure ratings suitable for hard semiconductor materials like silicon carbide
Related Products under HTS 8412.90.90.05
Silicon Carbide Boule Hydraulic Grinder
High-strength hydraulic cylinder for grinding silicon carbide boules used in power semiconductor devices. HTS 8412.90.90.05 classification for linear acting parts in equipment processing ultra-hard semiconductor materials. Rated for extreme grinding pressures.
Semiconductor Wafer Slicing Hydraulic Ram
Heavy-duty hydraulic ram providing linear thrust for diamond wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers. Classified under HTS 8412.90.90.05 as a part of linear acting hydraulic power engines used in critical wafer preparation equipment. Ensures precise, vibration-free slicing essential for semiconductor device fabrication.
Float Zone Crystal Puller Hydraulic Rod
Hard chrome plated hydraulic rod for float zone crystal pullers producing ultra-pure monocrystalline silicon boules. HTS 8412.90.90.05 classification for linear acting hydraulic motor parts in semiconductor crystal growth equipment. Withstands high temperatures near melting zone.
Wafer Grinder Feed Hydraulic Piston
Servo-controlled hydraulic piston for automated infeed mechanisms on wafer grinders processing semiconductor slices to final thickness. HTS 8412.90.90.05 part of linear acting hydraulic power motors in wafer preparation equipment. Maintains 1 micron/minute removal rates.
Gallium Arsenide Wafer Polisher Actuator
Corrosion-resistant hydraulic actuator for polishers processing compound semiconductor wafers like gallium arsenide. Classified HTS 8412.90.90.05 as linear acting hydraulic engine part for specialized wafer preparation. Chemical-resistant seals for CMP slurries.
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.