Wafer Lapping Machine Polishing Pad
Polyurethane polishing pad for wafer lappers and grinders that achieve sub-micron flatness on semiconductor wafers prior to fabrication. Designed for chemical-mechanical planarization compatibility. Part of wafer preparation apparatus under 8442.40.00.00.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic plastic polishing pads
Non-specialized plastic articles fall under Chapter 39; semiconductor function required for 8442.
If hypothetical lab-scale testing polishers
Some testing apparatus shifts to Chapter 90 per statistical notes.
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Import Tips & Compliance
• Specify pad durometer, groove pattern, and compatible slurry types in documentation
• Import in cleanroom packaging to maintain classification as semiconductor-specific consumables
• Monitor for wear indicators; partial pads may classify differently than full replacements
Related Products under HTS 8442.40.00.00
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This graphite or molybdenum heating element is a critical replacement part for Czochralski crystal pullers used in semiconductor wafer boule production. It provides precise temperature control during the crystal growth process from molten silicon. Classified under 8442.40.00.00 as a part of machinery for preparing printing components, per statistical notes covering semiconductor crystal growers.
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Float Zone Crystal Grower RF Heating Coil
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Wafer Grinder Air Bearing Chuck
Porous ceramic air bearing chuck that holds semiconductor wafers during grinding with near-zero friction and contamination. Maintains wafer flatness within 0.1 microns. Essential part of wafer grinder/polisher equipment under 8442.40.00.00.
Semiconductor Crystal Grinder Diamond Dresser
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