Crystal Boule Grinder
Crystal boule grinders precisely grind semiconductor crystal ingots to exact diameters and create orientation flats indicating conductivity type and resistivity. Falls under HTS 8479.90.95.96 as wafer preparation equipment for semiconductor processing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for general precision grinding beyond semiconductor flats
General honing or grinding machines without semiconductor-specific flats fall under Chapter 84.
If imported as grinding tool only, without machine base
Interchangeable grinding tools classified separately from complete machines.
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Import Tips & Compliance
• Submit engineering drawings showing flat orientation capabilities critical for semiconductor classification
• Document achievable tolerances (typically <1 micron) to distinguish from general grinding machines
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Crystal boule Orientation Grinder
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