Czochralski Crystal Puller Motor
This electric motor powers the rotation and pulling mechanism in Czochralski crystal growers used to produce monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8412.90.90 as a part of other engines and motors designed for precise control in semiconductor manufacturing equipment. The motor's high-torque, low-speed design ensures stable crystal growth processes.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in general industrial AC motors
Motors not specifically for semiconductor crystal growth classified by power output under Chapter 85 AC motor headings.
If integrated into testing apparatus
Parts of machines for testing semiconductor devices fall under Chapter 90 optical/measuring instruments rather than engine parts.
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Import Tips & Compliance
• Verify motor specifications match semiconductor equipment use via technical datasheets; obtain end-user certificates for duty-free claims under semiconductor provisions; avoid misclassification as general industrial motors by documenting boule-pulling application
Related Products under HTS 8412.90.90
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Precision stepper motor for float zone crystal growers that melt and zone-refine semiconductor material into high-purity rods. Classified in 8412.90.90 as a part of specialized semiconductor processing motors, distinct from general purpose engines.
Wafer Slicing Saw Spindle Motor
High-precision spindle motor for diamond wafer slicing saws that cut semiconductor boules into thin wafers. Under HTS 8412.90.90 as other motor parts essential for semiconductor wafer preparation equipment.
Crystal Grinder Rotary Drive Motor
Variable speed motor for rotating crystal boules during grinding to precise wafer diameters in semiconductor prep equipment. HTS 8412.90.90 covers such specialized parts of other engines and motors.
Wafer Lapping Machine Servo Motor
Closed-loop servo motor maintaining flatness tolerances during wafer lapping for semiconductor fabrication readiness. Classified 8412.90.90 as part of precision motors in wafer prep equipment.
Wafer Polishing Platen Drive Motor
Constant velocity motor for polishing platens achieving mirror-finish wafer surfaces for device fabrication. Falls under HTS 8412.90.90 for semiconductor-specific motor parts.
Semiconductor Vacuum Pump Motor
Brushless DC motor for turbomolecular pumps maintaining ultra-high vacuum in crystal growth chambers. HTS 8412.90.90 includes such parts for semiconductor processing engines.