Silicon Ingot Diameter Grinder
Grinds silicon ingots to uniform diameter specification (150mm-450mm) for consistent wafer thickness post-growth. Classified HTS 8461.50.80.90 as other metal/cermet removing machine for semiconductor boule prep.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sharpening/honing primary
Different removal action classification in Chapter 84.
If with integrated metrology
Instruments for physical/chemical analysis if testing primary.
Not sure which classification is right?
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Import Tips & Compliance
• Specify diameter tolerance (±0.1mm) proving semiconductor precision
• Calibrate shipping declarations with statistical note examples
Related Products under HTS 8461.50.80.90
Gallium Arsenide Wafer Saw
Precision cutting-off saw optimized for brittle GaAs boules into compound semiconductor wafers with minimal chipping. HTS 8461.50.80.90 covers sawing machines for cermet removal in statistical note materials.
Czochralski Crystal Puller
A machine tool that uses the Czochralski method to grow monocrystalline silicon boules by pulling a seed crystal from molten silicon, grinding the boule to precise diameter. Classified under HTS 8461.50.80.90 as a sawing or cutting-off machine tool working by removing metal or cermets for semiconductor crystal preparation.
Float Zone Crystal Grower
Machine employing float zone method to produce pure monocrystalline semiconductor boules, with integrated grinding for flats indicating conductivity and resistivity. Falls under HTS 8461.50.80.90 as other sawing/cutting-off machine tools removing metal or cermets in semiconductor processing.
Crystal Boule Grinder
Precision grinder for semiconductor crystal boules, achieving exact diameter and flats for conductivity/resistivity indication before wafer slicing. HTS 8461.50.80.90 covers this as other machine tools for sawing/cutting-off by removing metal or cermets in wafer prep.
Semiconductor Wafer Slicing Saw
Diamond wire saw for slicing ultra-thin wafers from monocrystalline semiconductor boules like silicon or gallium arsenide. Classified in HTS 8461.50.80.90 as other sawing or cutting-off machines removing cermets in semiconductor manufacturing.
Wafer Edge Grinder
Machine for grinding wafer edges post-slicing to precise tolerances and remove damage layers before polishing. HTS 8461.50.80.90 includes this semiconductor wafer preparation tool as other cutting-off/grinding by metal/cermet removal.