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.
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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 air/gas vacuum pumps generally
Standard vacuum pumps/air compressors have dedicated Chapter 84 headings outside semiconductor context.
If fractional horsepower DC motors
DC motors under 746W classified by power regardless of application in Chapter 85.
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Import Tips & Compliance
• Certify vacuum level specs (e.g
• Torr range); distinguish from HVAC pumps; prepare technical literature for classification support
Related Products under HTS 8412.90.90
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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
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