Double-Sided Wafer Lapper
Double-sided wafer lappers simultaneously process both wafer surfaces for superior flatness, under HTS 8412.90.90.85 as specialized lapping parts. Used for high-precision device wafers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general precision lapping applications
Multi-purpose lappers without semiconductor specs shift to general grinding.
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Import Tips & Compliance
• Declare carrier plate material and slurry flow rates
• Validate against statistical note wafer preparation examples
• Consider leasing vs buying for duty optimization
Related Products under HTS 8412.90.90.85
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Czochralski Crystal Puller
A Czochralski crystal puller is used to produce extremely pure monocrystalline semiconductor boules from which silicon wafers are sliced, fitting under HTS 8412.90.90.85 as a part of semiconductor manufacturing equipment powered by reaction engines or motors. It employs the Czochralski method for growing semiconductor crystals like silicon and gallium arsenide.
Float Zone Crystal Grower
Float zone crystal growers produce high-purity monocrystalline semiconductor boules using the float zone method, classified as parts of other engines and motors under HTS 8412.90.90.85 for semiconductor wafer production. Critical for processing silicon and similar materials into device-ready forms.
Crystal Boule Grinder
Crystal boule grinders precisely grind semiconductor crystal boules to exact diameters and flats indicating conductivity and resistivity, falling under HTS 8412.90.90.85 as parts of engines/motors in wafer preparation equipment. Essential for semiconductor manufacturing tolerance preparation.