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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If adaptable for general precision grinding of metal or ceramic boules
General machine tools for grinding external surfaces classify under Chapter 84 heading 8460.
If for laboratory-scale crystal preparation
Lab microscopes and accessories, including small grinders, fall under optical instruments in 9017.
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Import Tips & Compliance
• Include engineering drawings showing semiconductor-specific tolerances in import documentation
• Certify equipment design prevents use with non-semiconductor crystals
• Avoid misdeclaration as general metalworking machinery under 8460
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.
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.
Monocrystalline Boule Inspector
Automated inspection station using laser scanning and imaging to detect defects in semiconductor crystal boules before processing. HTS 8473.40.86.00 as accessory equipment integral to heading 8472 wafer manufacturing apparatus. Provides defect mapping for yield optimization.