Wafer Lapping Machine Platen Assembly
Precision platen assembly for wafer lapping machines that achieve critical flatness tolerances on semiconductor wafers before polishing. HTS 8479.90.95.65 covers these parts of metal surface treating apparatus.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for polishing rather than lapping functions
Different statistical notes apply to final polishing equipment.
If including integrated measuring equipment
Parts with optical measuring functions classified in Chapter 90.
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Import Tips & Compliance
• Include flatness specification sheets (e.g
• <1 micron across 300mm wafers)
• Provide slurry compatibility documentation for silicon carbide lapping processes
• Maintain assembly integrity during shipping to preserve platen surface finish
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