Crystal Boule Diameter Grinder

Machine for grinding semiconductor crystal boules to precise diameter tolerances before slicing, creating orientation flats per statistical note (a)(ii)(A). HTS 8465.96.0051 as grinding/paringsplitting equipment for hard materials. Critical for uniform wafer yield.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.4%+17.5%19.9%
🇲🇽Mexico2.4%+10.0%12.4%
🇨🇦Canada2.4%+10.0%12.4%
🇩🇪Germany2.4%+10.0%12.4%
🇯🇵Japan2.4%+10.0%12.4%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8460Lower: 14.4% vs 19.9%

If for general cylindrical grinding

Non-semiconductor boule grinders classify under metalworking cylindrical grinders.

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Import Tips & Compliance

Document flat positioning accuracy (±0.5°) and diameter tolerance (±0.1mm) for classification support

Include Czochralski/float-zone boule compatibility in technical literature

Related Products under HTS 8465.96.00.51

Crystal Boule Grinder

Precision grinding machine used to grind semiconductor crystal boules to exact diameters and create flats indicating conductivity type and resistivity, as defined in statistical notes for wafer manufacturing equipment. Classified under HTS 8465.96.0051 as a splitting, slicing or paring machine for hard materials like silicon boules. Essential for preparing monocrystalline semiconductor material before wafer slicing.

Semiconductor Wafer Slicing Saw

High-precision saw for slicing ultra-thin wafers from monocrystalline semiconductor boules like silicon or gallium arsenide, per statistical notes on wafer slicing saws. Falls under HTS 8465.96.0051 as a slicing machine for hard materials in semiconductor processing. Ensures minimal kerf loss and precise wafer thickness for device fabrication.

Wafer Edge Grinding Machine

Automated grinder for profiling and chamfering edges of semiconductor wafers to prevent chipping during handling and processing. Meets HTS 8465.96.0051 as paring/slicing equipment for hard semiconductor materials post-slicing. Critical for achieving flatness tolerances in wafer preparation.

Gallium Arsenide Wafer Paring Tool

Precision paring machine for trimming GaAs compound semiconductor wafers to exact dimensions after slicing. Covered under HTS 8465.96.0051 for paring hard semiconductor materials per statistical notes. Handles brittle III-V materials without subsurface damage.

Semiconductor Wafer Lapping Machine

Double-sided lapping equipment for achieving semiconductor wafer thickness uniformity and surface flatness per statistical note (b)(C). Classified HTS 8465.96.0051 as paring/splitting machine for hard materials in wafer prep. Targets TTV <0.5μm, bow/warp <10μm.

Wafer Grinder for Backside Thinning

Precision grinder temporarily bonded wafers to <50μm thickness for 3D IC packaging, semiconductor wafer preparation equipment. HTS 8465.96.0051 as grinding machine for hard materials. Maintains 95% die strength post-grind.