Wafer Lapping Plate
Cast iron or ceramic lapping plate for double-sided wafer lappers that achieve total thickness variation (TTV) <1μm on silicon wafers (8465 preparation equipment). Features precise flatness and conditioning ring compatibility. 8466.92.50 part for heading 8465 machines.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for machines of headings 8456-8461, not 8465
Parts classification follows principal machine heading; 8465 specificity required here.
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Import Tips & Compliance
• Certify plate flatness specs (<0.5μm) and compatibility with specific lapping machines
• Document slurry compatibility and semiconductor-only end use
Related Products under HTS 8466.92.50
Wafer Grinder Spindle Chuck
Vacuum or mechanical spindle chuck for holding silicon wafers during backgrinding to target thickness (50-100μm) in 8465 grinder machines. Features edge grip and vacuum ports for thin wafer handling. 8466.92.50 tool holder for heading 8465.
Crystal Boule Flattening Fixture
Custom fixture with orientation flats grinding guides for semiconductor crystal grinders (8465). Ensures precise flat positioning indicating crystal orientation and doping type. Special attachment classified 8466.92.50.
Wafer Edge Profiling Tool
Diamond tool for wafer edge grinders creating chip-out resistant edge profiles on semiconductor wafers (8465 equipment). Prevents edge cracking during handling and processing. 8466.92.50 special attachment.
Double-Sided Wafer Lapping Carrier
Precision carrier plate holding multiple wafers between upper/lower lapping plates in double-sided lappers (8465). Ensures parallel thickness reduction. Classified 8466.92.50 work holder.
Czochralski Crystal Puller Spindle Assembly
Precision-engineered spindle assembly designed specifically for Czochralski crystal growers used in semiconductor wafer production under HTS 8465. It rotates the seed crystal during the pulling process to form monocrystalline silicon boules. Classified under 8466.92.50 as a part for machines of heading 8465.
Float Zone Crystal Grower RF Heating Coil
Radio frequency heating coil replacement part for float zone crystal growers that produce high-purity silicon ingots for semiconductor wafers (HTS 8465 machines). It generates the molten zone for zone refining process. Falls under 8466.92.50 as an accessory for heading 8465 equipment.