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.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Document flat grinding orientation features for conductivity indication; bundle with grinder assembly documentation; ensure origin certificates for GSP duty reductions
Related Products under HTS 8412.90.90
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.
Float Zone Crystal Grower Drive Motor
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.
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.