Numerically Controlled CNC Wafer Grinder
A precision numerically controlled machine tool used for grinding semiconductor wafers to exact dimensional tolerances and surface flatness prior to fabrication. It falls under HTS 8460.90.40 as a grinding machine for metal (silicon wafers) with numerical control, specifically for wafer preparation in semiconductor manufacturing.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily for semiconductor testing rather than preparation
Testing machines for semiconductor devices fall under Chapter 90 optical/measuring instruments.
If for industrial semiconductor manufacturing machines not specifically grinding
Broader semiconductor processing machines without grinding stones/abrasives go to machines NESOI.
If not numerically controlled
Non-CNC versions of similar grinding machines classify under the non-numerically controlled subheading.
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Import Tips & Compliance
• Verify numerical control certification and include machine specs in entry docs to confirm HTS 8460.90.40 classification
• Ensure compliance with semiconductor equipment export controls; obtain necessary licenses for dual-use tech
Related Products under HTS 8460.90.40
CNC Crystal Boule Grinder
Numerically controlled grinding machine that shapes semiconductor crystal boules to precise diameters and grinds flats indicating conductivity type. Classified in HTS 8460.90.40 for its use of abrasives in metal (silicon/gallium arsenide) finishing during wafer manufacturing.
CNC Semiconductor Wafer Polisher
Precision numerically controlled polishing machine using abrasive pads/products to finish semiconductor wafer surfaces to mirror quality. Falls under HTS 8460.90.40 as a numerically controlled polishing tool for cermet/metal semiconductor wafers.
Numerically Controlled Wafer Lapping Machine
CNC-controlled lapping equipment that uses abrasive slurries to achieve ultra-flat surfaces on semiconductor wafers for fabrication readiness. HTS 8460.90.40 applies due to its numerical control and lapping function on metal semiconductor materials.
Numerically Controlled Cermet Finishing Machine
CNC machine for grinding, honing, and polishing cermet (ceramic-metal composite) parts used in semiconductor tools, employing abrasive stones and products. HTS 8460.90.40 covers numerically controlled finishing of cermets explicitly.
CNC Precision Deburring Machine for Wafer Carriers
Numerically controlled deburring tool that removes burrs from metal wafer carriers and semiconductor handling fixtures using abrasive methods. Classified under HTS 8460.90.40 for metal deburring with numerical control.