Crystal Boule Grinder
Precision grinder that shapes semiconductor crystal boules to exact diameters and grinds orientation flats indicating conductivity type. Under HTS 8461.90.60.90 as other machine tools removing material from cermet-like semiconductor crystals.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as wafer preparation equipment per statistical notes
Explicitly listed crystal grinders for semiconductor boules go to 8486 semiconductor apparatus.
If used for general metal or cermet grinding beyond semiconductors
Shifts to standard grinding machines when not specialized for crystal boule preparation.
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Import Tips & Compliance
• Document flat grinding specifications for resistivity indication to justify semiconductor use
• Calibrate equipment for sub-micron tolerances and include metrology certificates
Related Products under HTS 8461.90.60.90
Silicon Wafer Polisher
Double-sided polishing machine bringing semiconductor wafers to final thickness and mirror finish before device fabrication. Falls under HTS 8461.90.60.90 as other machine tool for cermet surface finishing.
Crystal Annealing Furnace Shaper
Integrated shaping station within high-temperature annealing furnaces maintaining crystal integrity during thermal processing. Falls under HTS 8461.90.60.90 as combined machine tool.
Automated Wafer Backlapper
Robotic backlapping system for uniform wafer thinning with in-situ thickness measurement maintaining bow/warp specs. Classified HTS 8461.90.60.90 specialized semiconductor finishing.
Large Diameter Ingot Trimmer
Heavy-duty trim saw/grinder for 450mm+ semiconductor ingots preparing for next-gen wafer production. HTS 8461.90.60.90 other large-scale cermet working tools.
Czochralski Crystal Puller
A machine tool used to produce monocrystalline silicon boules by pulling a seed crystal from molten silicon in the Czochralski process. It falls under HTS 8461.90.60.90 as specialized equipment for shaping semiconductor crystal ingots through controlled pulling and rotation, classified among other metal-removal machine tools not elsewhere specified.
Float Zone Crystal Grower
Equipment employing the float zone method to grow high-purity silicon crystals by melting a narrow zone of polycrystalline rod without a crucible. Classified in HTS 8461.90.60.90 as other machine tools for precise shaping of semiconductor materials through zone refining and pulling.