Wafer Lapping Coolant Circulation Pump
Circulation pump for coolant in wafer lappers achieving flatness tolerances for semiconductor fabrication. HTS 8413.81.0040 as other pump in wafer preparation apparatus. Removes heat and debris during lapping for mirror-surface wafers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standard industrial circulation without semiconductor spec
Non-specialized other pumps use different statistical breaks.
If integrated in measuring lapping equipment
Some wafer flatness testers include pumps under measuring machines.
If as replacement pump components
Separate pump parts for semiconductor equipment classified here.
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Import Tips & Compliance
• Provide lapping process flow diagrams; ensure pumps meet vibration specs for precision tools
• Pitfall: incorrect declaration as HVAC pumps
Related Products under HTS 8413.81.00.40
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A high-precision liquid pump used in Czochralski crystal growers to control the flow of molten silicon during monocrystalline boule production for semiconductor wafers. It falls under HTS 8413.81.0040 as an other pump specifically for semiconductor manufacturing equipment. This pump maintains stable melt levels critical for defect-free crystal growth.
Float Zone Melting Process Pump
Specialized pump for circulating inert gases or cooling liquids in float zone crystal growth systems producing high-purity silicon boules for wafers. Classified in HTS 8413.81.0040 as other pumps integral to semiconductor wafer manufacturing equipment. Ensures thermal stability during zone refining process.
Wafer Slicing Coolant Pump
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Crystal Boule Grinder Slurry Pump
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Wafer Polishing Slurry Feed Pump
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Semiconductor Wafer Cleaning Rinse Pump
High-purity DI water pump for post-polish wafer rinsing stations in wafer prep lines. HTS 8413.81.0040 covers pumps for semiconductor wafer preparation equipment. Ensures particle-free surfaces before fabrication.