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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standalone precision measuring instruments
Measuring/ checking instruments separate from production machines.
If physical properties analyzers
Instruments for physical/ chemical analysis.
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Import Tips & Compliance
• Resolution specs (e.g
• 0.1μm flatness) required
• Avoid Chapter 90 if integral to grinding process control
• Document feedback loop to lapping equipment
Related Products under HTS 8445.90.00.00
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.
boule Inspection Scanner
Laser/X-ray scanner that maps defects and determines optimal cutting planes in semiconductor boules before slicing. Falls under HTS 8445.90.00.00 for wafer preparation equipment.