Crystal Ingot Notching Machine
Crystal ingot notching machines cut orientation flats on semiconductor boules to indicate crystal plane and doping, under HTS 8412.90.90.85. Part of boule grinding per statistical notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If interchangeable tools rather than fixed machine
Milling tools for metals classify under Chapter 82.
Not sure which classification is right?
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Import Tips & Compliance
• Include flat geometry specs matching resistivity standards
• Pair with boule grinder imports for volume processing claims
• Document R&D vs production use for potential duty reductions
Related Products under HTS 8412.90.90.85
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Motors driving precision thickness measurement in wafer grinding lines, under HTS 8412.90.90.85 for semiconductor equipment integration. Ensures dimensional compliance.
Vacuum Wafer Chuck Drive Motor
Drive motors for vacuum chucks holding wafers during grinding/lapping operations, HTS 8412.90.90.85 as semiconductor wafer prep parts. Maintains position accuracy.
High-Speed Wafer Spindle Motor
High RPM spindle motors powering wafer grinding heads to >10,000 RPM, under HTS 8412.90.90.85 for precision semiconductor surface preparation. Enables fine material removal.
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.