Crystal Puller Crucible Rotation Mechanism
Quartz crucible rotation drive for Czochralski pullers (8465), ensures uniform dopant distribution and thermal symmetry during silicon boule growth. High-temperature bellows-sealed design. Principal part 8466.92.5050.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general gearboxes for industrial machinery
Loses semiconductor crystal growth specificity.
If oven/furnace rotation mechanisms
High-temp ovens vs semiconductor pullers.
Not sure which classification is right?
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Import Tips & Compliance
• Specify rotation speeds (0-30 RPM), crucible sizes (16-32") and temp ratings (>1400°C)
• Material certs for quartz compatibility and vacuum sealing essential
Related Products under HTS 8466.92.50.90
Wafer Grinder Spindle Bearing Kit
Ultra-precision air bearing kit for wafer grinder spindles (8465), provides sub-micron runout for flatness-critical semiconductor wafer processing. Cleanroom-compatible ceramic hybrid bearings. 8466.92.5050.
Float Zone Crystal Grower RF Heating Coil
Radio frequency heating coil accessory for float zone crystal growers classified in heading 8465, used to melt and zone-refine semiconductor materials like high-purity silicon without crucibles. Critical for producing defect-free monocrystalline ingots for wafer fabrication. Falls under 8466.92.5050 as a principal part for semiconductor processing machines.
Silicon Wafer Crystal Puller Spindle Assembly
Precision-engineered spindle assembly designed for use in Czochralski crystal pullers under HTS 8465, used to rotate and extract monocrystalline silicon boules during semiconductor wafer production. This part ensures stable growth of high-purity crystals essential for slicing into wafers. Classified under 8466.92.5050 as a specific accessory for machines of heading 8465.
Float Zone RF Generator Coupler
Impedance matching coupler for RF generators in float zone crystal growers (8465), optimizes power transfer to induction coil for stable zone melting of semiconductor rods. Frequency-tuned for 300-500kHz operation. Accessory under 8466.92.5050.
Wafer Slicing Diamond Wire Guide Roller
Diamond-impregnated guide roller for inner-diameter wafer slicing saws of heading 8465, maintains tension and alignment of diamond wire during high-precision cuts from silicon boules. Essential for producing thin, damage-free semiconductor wafers. Classified in 8466.92.5050 as a tool-holding accessory for semiconductor wafer prep equipment.
Crystal Boule Grinder Chuck Holder
Vacuum chuck holder accessory for crystal grinders under heading 8465, secures semiconductor boules during diameter and flat grinding to wafer specifications. Features precision alignment for conductivity/resistivity flat indications. 8466.92.5050 covers this work-holding part for semiconductor material preparation.