Semiconductor Wafer Cooling Pump Rotor
A stainless steel rotor assembly for liquid cooling pumps used in temperature-controlled environments during semiconductor wafer fabrication. Classified under HTS 8413.91.9010 as a part of 8413.30.90 pumps for semiconductor processing. It maintains precise coolant flow to prevent thermal damage in crystal pullers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for fuel injection pumps or similar non-semiconductor uses
Parts for fuel or oil pumps have distinct statistical suffixes outside semiconductor provisions.
If fitted with integrated measuring device
Pumps with built-in flow or level measuring devices shift to chapter 90 instruments.
If considered a part of complete semiconductor machine
Integral parts of assembled semiconductor manufacturing machines may classify under machines and mechanical appliances.
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Import Tips & Compliance
• Provide pump model cross-reference documentation; test for particulate generation per SEMI standards; declare exact material composition to avoid misclassification
Related Products under HTS 8413.91.90.10
Canned Motor Pump Impeller
A precision-machined impeller designed specifically for canned motor pumps used in high-purity liquid handling during semiconductor wafer processing. It falls under HTS 8413.91.9010 as a part of pumps classified in subheading 8413.30.90, which covers liquid pumps fitted for semiconductor manufacturing. The impeller ensures efficient fluid circulation without contamination in crystal growth systems.
Crystal Puller Slurry Pump Housing
Corrosion-resistant housing for slurry pumps in Czochralski crystal pullers, handling abrasive semiconductor slurries during boule formation. This part is for pumps in HTS 8413.30.90, thus under 8413.91.9010. It protects internal components from wear in wafer manufacturing equipment.
Wafer Grinding Coolant Pump Shaft
High-precision shaft for coolant pumps in wafer grinding, lapping, and polishing machines, ensuring vibration-free operation. Falls under HTS 8413.91.9010 as part of 8413.30.90 semiconductor pumps. Critical for maintaining wafer flatness tolerances.
Monocrystalline Boule Polishing Pump Valve Assembly
Specialized valve assembly for polishing pumps used in preparing monocrystalline semiconductor boules for wafer slicing. Classified in HTS 8413.91.9010 for parts of 8413.30.90 pumps in semiconductor processing. Controls precise chemical flow rates.
Float Zone Crystal Grower Circulation Pump Diffuser
Custom diffuser for circulation pumps in float zone crystal growers, optimizing argon gas-liquid flow for pure silicon production. Part of HTS 8413.30.90 pumps, thus 8413.91.9010. Essential for defect-free monocrystalline boules.
Gallium Arsenide Wafer Prep Centrifugal Pump Bearing Housing
Lubrication-isolated bearing housing for centrifugal pumps in gallium arsenide wafer preparation equipment. Under HTS 8413.91.9010 for 8413.30.90 semiconductor pumps. Prevents contamination in compound semiconductor processing.