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.
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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 honing rather than lapping operation
Honing machines have separate subheadings even if numerically controlled.
If for semiconductor wafer processing as a class
Some wafer prep machines classified under semiconductor-specific provisions.
If for optical profilometry-integrated lappers
If primary function is measuring flatness, it falls under testing instruments.
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Import Tips & Compliance
• Document abrasive slurry usage and lapping specs to distinguish from polishing-only machines
• Comply with precision machinery calibration certificates for customs valuation
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