Semiconductor Wafer Edge Grinder
Post-slicing edge grinder that profiles semiconductor wafer edges for handling and prevents chipping during fabrication. HTS 8464.90.0120 as it cold works silicon/glass-like semiconductor wafers akin to mineral materials. Improves yield in wafer processing lines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for wafer inspection/profiling rather than material removal
Chapter 90 covers semiconductor testing apparatus like profilometers.
If general glass edge grinding machines
Cold working glass heading if not semiconductor-specific.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include wafer thickness specs (e.g
• 300μm) to prove semiconductor use
• Customs may require demo videos showing edge profiling function
Related Products under HTS 8464.90.01.20
Czochralski Crystal Puller
A machine tool used to produce monocrystalline silicon boules by pulling a seed crystal from molten silicon in a vacuum chamber, grinding the boule to precise diameter for wafer production. Classified under HTS 8464.90.0120 as it functions as a grinder for semiconductor crystal ingots, akin to mineral material processing. Essential for semiconductor wafer manufacturing.
Gallium Arsenide Boule Grinder
Specialized grinder for GaAs compound semiconductor boules, achieving dimensional tolerances for wafer production. Classified in 8464.90.0120 as processing semiconductor materials like ceramics/minerals. Handles brittle III-V materials requiring diamond tooling.
Diamond Wafer Lapper
Lapping machine using diamond slurry to achieve flatness tolerances on semiconductor wafers before polishing. HTS 8464.90.0120 covers wafer grinders/lappers/polishers as mineral material working tools per notes. Prepares wafer surface for device fabrication.
SiC Wafer Grinder
Grinder for silicon carbide (SiC) power semiconductor wafers, handling extreme hardness of ceramic-like material. Fits HTS 8464.90.0120 as processing ceramics/minerals for semiconductor use. Enables high-voltage device production.
Sapphire Wafer Back Grinder
Backside grinder for sapphire (Al2O3) substrates used in LED/GaN semiconductors, thinning wafers to device specs. HTS 8464.90.0120 as cold working glass-like mineral materials. Key for optoelectronics.
Silicon Ingot Grinder
Precision grinder that shapes semiconductor silicon ingots to exact diameters and flats indicating conductivity type, preparing them for wafer slicing. Falls under HTS 8464.90.0120 per statistical notes as crystal grinders for semiconductor materials treated like mineral processing tools. Critical step in wafer preparation.