Wafer Lapping Plate Mounting Fixture
Aluminum or stainless steel fixture that attaches lapping plates to wafer grinder/polisher machines (heading 8429) for achieving flatness tolerances on semiconductor wafers prior to fabrication. Ensures parallel mounting. Under 8431.49.9020 as other attachment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for general metalworking grinding/polishing machines
Parts for heading 8466 machinery take precedence over semiconductor specificity.
If basic aluminum fabricated fixture without precision tolerances
Other aluminum articles classify by material if not dedicated parts.
If for use with presses rather than grinding/polishing equipment
Press attachments fall under heading 8435 parts.
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Import Tips & Compliance
• Certify flatness specs (<1 micron) match statistical note requirements for chapter coverage
• Avoid 'lapping plate' standalone declarations; specify as complete mounting attachment
Related Products under HTS 8431.49.90.20
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Wafer Polishing Head Vacuum Chuck
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