Chemical Mechanical Planarization (CMP) Lapping Platform
CMP equipment using polishing pads and chemical slurries to planarize wafer surfaces during semiconductor fabrication. Though CMP-specific, classified under HTS 8460.40.80.80 as lapping/polishing machines for metal (silicon) finishing per statistical notes. Removes material layer-by-layer for multilayer chip construction.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If emphasizing chemical processing over mechanical polishing
Equipment primarily for chemical surface treatment classified under centrifuge/filtering machinery.
If for dedicated semiconductor wafer processing lines
Complete semiconductor processing systems may qualify under mixing/kneading provisions.
If when integrated with real-time thickness measurement
CMP tools with dominant measuring functions classified as optical/measuring instruments.
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Import Tips & Compliance
• Submit slurry composition analysis and removal rate data confirming material finishing function
• Distinguish from Chapter 90 by emphasizing mechanical polishing over metrology capabilities
Related Products under HTS 8460.40.80.80
Automated Wafer Honing System Model WH-3000
Precision honing machine that uses superabrasive tools to finish wafer edge profiles and chamfers, preventing micro-cracks during handling. HTS 8460.40.80.80 classification for honing machines finishing semiconductor metal surfaces other than gears. Essential for yield improvement in 300mm wafer fabs.
CNC Precision Lapping Machine for Semiconductor Wafers
This machine uses abrasive slurries to lap semiconductor wafers to exact flatness tolerances required for fabrication processes. Classified under HTS 8460.40.80.80 as a lapping machine for finishing metal (silicon wafers) with polishing products, distinct from testing apparatus in Chapter 90. It prepares wafer surfaces for photolithography by removing microscopic imperfections.
Double-Sided Lapper for Silicon Wafer Processing
Industrial lapping machine that simultaneously polishes both sides of silicon wafers using diamond abrasives to achieve nanometer-level flatness. Falls under HTS 8460.40.80.80 as specialized lapping equipment for semiconductor metal finishing, per statistical notes on wafer preparation equipment. Critical for maintaining wafer parallelism in IC production.
High-Speed Wafer Polisher with In-Situ Cleaning
Rotary polishing machine for final mirror finish on semiconductor wafers, incorporating brush cleaning stations. HTS 8460.40.80.80 for polishing machines finishing cermet/semiconductor surfaces using polishing products. Achieves surface roughness <0.5nm for advanced nodes.