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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as standalone planing machine tool for semiconductor line installation
Machines designed for installation in semiconductor production line may classify under complete factory machines.
If equipped with gear cutting capabilities alongside planing
Multi-function machine tools working both planing and gear operations fall under separate sawing/gear provisions.
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Import Tips & Compliance
• Document compatibility with float zone crystal methods to align with statistical note (a)(i) crystal growers & pullers processing
• Ensure import declaration specifies 'planing machines' not 'lapping/polishing' to maintain correct subheading
• Avoid pitfall of classifying with polishing equipment (different HTS) by emphasizing initial planing step
Related Products under HTS 8461.90.60.30
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.
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.