Wafer Edge Grinder
Machine that grinds the edges of sliced semiconductor wafers to precise dimensions and removes damage from sawing. Classified under HTS 8461.90.60 as other wafer preparation equipment involving cermet material removal.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general optical lens or glass grinding
Similar precision grinders for non-semiconductor materials use different 8460 provisions.
If as semiconductor parts/parts rather than standalone machine tool
Unfinished or component status shifts to semiconductor parts heading.
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Import Tips & Compliance
• Provide wafer thickness tolerance data (typically <1mm) for classification support
• Check for preferential tariff treatment under USMCA for qualifying equipment
Related Products under HTS 8461.90.60
Multi-Wire Wafer Saw
Advanced wire saw using hundreds of diamond wires simultaneously to slice silicon bricks into wafers with minimal kerf loss. HTS 8461.90.60 for semiconductor slicing equipment removing material.
Stress Relief Wafer Grinder
Grinds wafer edges to remove stress-induced microcracks from slicing, preventing breakage in later processing. Specialized semiconductor grinder under HTS 8461.90.60 per statistical notes.
Wafer Surface Lapper
Single-sided lapping machine that conditions wafer surfaces for epitaxial growth by removing saw damage and achieving parallelism. HTS 8461.90.60 classification per wafer preparation statistical provisions.
Diamond Wafer Polishing Machine
Uses diamond slurry and pads to polish semiconductor wafers to mirror finish required for lithography. Mechanical polishing action removes cermet, placing it under HTS 8461.90.60 statistical note (a)(ii)(C).
Crystal Ingot Notcher
Machine that notches silicon ingots to precise flats indicating crystal orientation and doping. Performs slotting/planing operations removing material, thus HTS 8461.90.60 for semiconductor boule preparation.
Czochralski Crystal Puller
A machine tool used to grow monocrystalline silicon boules by pulling a seed crystal from molten silicon in the Czochralski method. It removes excess material through precise shaping and grinding processes to achieve the required boule diameter and flats, classifying it under HTS 8461.90.60 as other semiconductor manufacturing equipment involving metal/cermet removal.