Crystal Boule Flattener Attachment
Precision flattener tool attachment for grinding flats on semiconductor crystal boules to indicate resistivity and dopant type. HTS 8451.90.90 part of crystal grinder equipment per statistical note (a)(ii)(A). Creates industry-standard flat orientations on 200-300mm diameter boules.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If lathe attachments for general metalworking
Tools for working metals on lathes classified under heading 8458.
If hand-held broaching tools
Milling cutters and broaches for hand use in Chapter 82.
If primarily for measuring flat positions
Profile projectors and similar measuring instruments in Chapter 90.
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Import Tips & Compliance
• Document flat length tolerances (±0.1mm) and angular positioning accuracy
• Include boule material compatibility (Si, GaAs, InP) specifications
Related Products under HTS 8451.90.90
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Wafer Slicing Diamond Saw Blade
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Semiconductor Wafer Lapping Plate
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Czochralski Crystal Puller Heating Element
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