Crystal Grinder Coolant Filtration System
High-purity coolant recirculation and filtration system designed specifically for semiconductor crystal grinding processes. Classified under HTS 8473.40.86.00 as essential accessory maintaining particle-free processing environment for heading 8472 equipment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general industrial liquid filtration
Filtering/purifying machinery for liquids classifies under heading 8421 unless semiconductor-specific.
If integral to general machinery cooling systems
Machinery storage heating/cooling units fall under heading 8419.
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Import Tips & Compliance
• Specify filtration rating (e.g
• <0.1μm particles) for semiconductor cleanroom use
• Document chemical compatibility with silicon carbide grinding slurries
• Avoid classification as general industrial filtration under 8421
Related Products under HTS 8473.40.86.00
Float Zone Crystal Grower
Apparatus employing the float zone method to produce ultra-pure monocrystalline semiconductor ingots from polycrystalline rods. Classified in HTS 8473.40.86.00 as a part/accessory for heading 8472 semiconductor manufacturing machines. Critical for high-resistivity silicon used in power devices.
Crystal Boule Grinder
Precision grinding machine that shapes semiconductor crystal boules to exact diameters and grinds orientation flats indicating conductivity type. Falls under HTS 8473.40.86.00 as wafer preparation equipment for heading 8472 machines. Ensures dimensional accuracy before wafer slicing.
Wafer Lapping Machine
Machine using abrasive slurries to lap both sides of semiconductor wafers simultaneously, achieving critical flatness specifications. HTS 8473.40.86.00 covers this wafer preparation equipment for heading 8472 semiconductor machines. Prepares wafer surface before final polishing.
Chemical Mechanical Wafer Polisher
CMP polisher that uses chemical slurry and mechanical force to achieve atomic-level surface flatness on semiconductor wafers. Specifically classified in HTS 8473.40.86.00 as final wafer preparation apparatus for heading 8472 machines. Essential for subsequent device fabrication processes.
Wafer Edge Profiling Grinder
Specialized grinder that creates precise chamfered edges on semiconductor wafers to prevent chipping during handling and processing. HTS 8473.40.86.00 classification for wafer preparation accessories of heading 8472 machines. Maintains edge strength for high-volume fab handling.
Semiconductor Crystal Ingot Trimmer
Precision trimmer that cuts semiconductor ingots to length and squares ends before boule grinding operations. Classified under HTS 8473.40.86.00 as part of the wafer manufacturing equipment sequence for heading 8472. Ensures uniform starting material dimensions.