Czochralski Crystal Puller
A Czochralski method machine used to grow monocrystalline silicon boules from molten semiconductor material by precisely pulling and rotating a seed crystal. It falls under HTS 8474.80.0015 as machinery for shaping or molding mineral substances in solid form, specifically for processing semiconductor crystal growth classified as a mineral product.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a complete semiconductor manufacturing apparatus
May shift to Chapter 84 provisions for machines for semiconductor processing if deemed specialized beyond mineral forming.
If for testing integrated into growth process
Testing apparatus for semiconductor devices falls under Chapter 90 physical/chemical analysis instruments.
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Import Tips & Compliance
• Verify equipment qualifies under statistical note for semiconductor wafer manufacturing to ensure correct classification
• Provide detailed technical specs and end-use certification to avoid misclassification as general industrial machinery
Related Products under HTS 8474.80.00.15
Crystal Boule Grinder
Precision grinder that shapes semiconductor crystal boules to exact diameters and grinds orientation flats indicating conductivity and resistivity. HTS 8474.80.0015 applies as grinding machinery for solid mineral substances in semiconductor preparation.
Gallium Arsenide Wafer Grinder
Specialized grinder for back-thinning compound semiconductor wafers (GaAs) to precise thicknesses for optoelectronic applications. Fits HTS 8474.80.0015 as grinding machinery for solid mineral semiconductor substances.
Wafer Edge Profiling Grinder
Precision grinder creating rounded wafer edges to prevent chipping during handling and processing. Classified under HTS 8474.80.0015 for grinding semiconductor mineral wafers.
CMP Wafer Polishing Platform
Chemical Mechanical Planarization platform for final wafer surface polishing to atomic flatness before circuit fabrication. Though primarily polishing, classified HTS 8474.80.0015 when configured for initial crystal polishing.
Ingot Cropping Saw
Band saw that precisely crops the ends of silicon ingots to square orientation before main grinding. Classified HTS 8474.80.0015 for initial shaping of solid mineral ingots.
Float Zone Crystal Grower
Float zone equipment employs a narrow molten zone to purify and grow high-purity silicon crystals from polycrystalline rods, avoiding crucible contamination. Classified in HTS 8474.80.0015 for its role in shaping solid mineral semiconductor materials into precise crystal forms.