CNC Planing Machine for Semiconductor Wafer Preparation
A precision CNC-controlled planing machine designed to plane the surface of semiconductor crystal boules or wafers to exact flatness tolerances required for subsequent fabrication processes. Classified under HTS 8461.90.60.30 as a planing machine working by removing metal or cermets (silicon being a metalloid processed similarly), specifically for high-precision semiconductor manufacturing applications. It features vacuum chucks and specialized tooling for handling fragile silicon substrates.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily for testing semiconductor wafers rather than material processing
Equipment focused on pattern generating or testing of semiconductor devices falls under Chapter 90 optical/precision instruments.
If imported as a machine module or part without full planing functionality
Incomplete machines or subassemblies for semiconductor manufacturing are classified as parts in 8486 rather than complete machine tools.
If for industrial robots adapted specifically for planing operations
If configured as a multi-axis industrial robot rather than dedicated planing machine, classification shifts to Chapter 84 robot provisions.
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Import Tips & Compliance
• Verify machine specifications match statistical note definitions for semiconductor wafer preparation to avoid reclassification to Chapter 90 testing apparatus
• Provide detailed technical documentation proving planing function for metal/cermets removal, including boule grinding capabilities
Related Products under HTS 8461.90.60.30
Wafer Surface Planer for Float Zone Silicon
Precision planer specifically engineered for float zone silicon wafers, removing material to achieve mirror-flat surfaces prior to fabrication. HTS 8461.90.60.30 classification applies due to its planing action on cermet-like semiconductor materials as defined in Chapter 84 statistical notes for wafer preparation.
Crystal Boule Planer Grinder
Heavy-duty planer grinder used to achieve precise diameter and flatness on monocrystalline silicon boules before wafer slicing, employing Czochralski-grown crystals. Falls under HTS 8461.90.60.30 as specialized planing equipment removing silicon (cermet-like material) in semiconductor manufacturing. Includes diamond tooling and metrology feedback systems for sub-micron accuracy.
Automated Silicon Ingot Planing Station
Fully automated station combining planing heads for silicon ingot diameter control and flat grinding, integral to semiconductor boule preparation workflow. Classified in 8461.90.60.30 as 'other planing machines' specifically removing semiconductor cermets per statistical definitions.
Precision Boule Flattening Planer
Machine tool that planes reference flats on semiconductor boules to indicate conductivity type and resistivity, critical for wafer identification. HTS 8461.90.60.30 covers this as planing equipment for cermet semiconductor materials per Chapter 84 notes.