Semiconductor Wafer Lapper
Machine that uses loose abrasive slurry to lap both sides of semiconductor wafers simultaneously, achieving precise flatness for fabrication processes. HTS 8445.90.00.00 per statistical note (a)(ii)(C) for wafer grinders, lappers, and polishers.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 3.7% | +17.5% | 21.2% |
| š²š½Mexico | 3.7% | +10.0% | 13.7% |
| šØš¦Canada | 3.7% | +10.0% | 13.7% |
| š©šŖGermany | 3.7% | +10.0% | 13.7% |
| šÆšµJapan | 3.7% | +10.0% | 13.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with integrated semiconductor wafer handling robotics
Centrifugal/liquid processing machines if slurry dominates function.
If lapping machines for optical elements/glass
Lens/optical grinding machinery classified separately from semiconductor wafers.
If general purpose lapping for metal surfaces
Other honing/lapping machines by workpiece material.
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Import Tips & Compliance
ā¢ Document total thickness variation (TTV) specs proving semiconductor tolerances
ā¢ Include slurry handling system details in technical description
Related Products under HTS 8445.90.00.00
Wafer Flatness Metrology Tool
Precision interferometer system measuring wafer bow, warp, and total thickness variation critical for fabrication readiness. HTS 8445.90.00.00 under wafer grinder/lapper/polisher notes.
Multi-Wire Wafer Slicing Saw
Advanced saw using multiple diamond-coated wires to simultaneously slice hundreds of wafers from a single boule, improving yield. Classified HTS 8445.90.00.00 statistical note (a)(ii)(B).
Chemical Wafer Etch Station
Automated station using wet chemical etching to remove damaged layer from wafer surfaces post-sawing/ grinding. HTS 8445.90.00.00 for wafer preparation.
Automated Wafer Handling Robot
Cleanroom robot transferring wafers between preparation process tools (sawing, grinding, polishing stations). Classified HTS 8445.90.00.00 as integral wafer prep equipment.
Crystal Ingot Notcher
Machine that cuts precise notches into semiconductor ingots to indicate crystal orientation for wafer slicing alignment. HTS 8445.90.00.00 as part of boule preparation equipment.
Semiconductor Wafer Cleaner
Automated wet bench station that cleans wafers post-grinding/ lapping using megasonic, brush, and chemical processes to remove particles before fab entry. HTS 8445.90.00.00 as wafer preparation equipment.