Crystal Boule Grinder Turbine
Vapor turbine powering grinders that shape semiconductor crystal boules to exact wafer diameters and flats indicating conductivity. Classified in HTS 8406.82.90.00 as other low-output turbine for crystal preparation equipment in semiconductor manufacturing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as a grinding machine
Honing/grinding machines in 8460 for metalworking if not tied to semiconductor boule prep.
If parts of complete wafer prep machines
Semiconductor manufacturing machines encompassing grinding in 8479 per notes.
If imported as engine auxiliary drive
Other engines' parts if used for general linear motion support.
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Import Tips & Compliance
• Specify grinding flats for resistivity indication in documentation
• Ensure turbine specs confirm output below 40 MW threshold
• Comply with vibration standards for precision grinding applications
Related Products under HTS 8406.82.90.00
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A steam turbine component integrated into Czochralski crystal pullers for producing monocrystalline silicon boules in semiconductor manufacturing. Classified under HTS 8406.82.90.00 as an other vapor turbine of output not exceeding 40 MW used in specialized industrial processes. It drives the rotation and heating mechanisms essential for crystal growth.
Float Zone Crystal Grower Turbine
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Wafer Slicing Saw Drive Turbine
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Wafer Lapping Polisher Turbine
Small steam turbine for driving lappers and polishers that achieve flatness tolerances on semiconductor wafers before fabrication. Under HTS 8406.82.90.00 for other vapor turbines ≤40 MW in wafer preparation per chapter statistical notes.
Gallium Arsenide Vapor Turbine
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Semiconductor boule Slicer Turbine
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