Used Okamoto ACC Series CNC Grinder for Crystal Boules
Refurbished Okamoto ACC-8/12 CNC grinder for precision grinding semiconductor crystal boules to exact diameters and flats indicating conductivity. HTS 8460.90.40.10 applies to this used NC grinding machine for metal/cermet finishing in wafer manufacturing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-numerically controlled version
NC status determines subheading within grinding machines.
If dedicated only to thermal processing of wafers
Different semiconductor machines like ovens use separate 8486 provisions.
If for general metal polishing, not semiconductor
Other finishing machines outside NC used category.
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Import Tips & Compliance
• Document boule grinding specs (diameter/flats) to tie to statistical note for semiconductor equipment
• Require export docs proving prior use in fab facilities
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