Czochralski Crystal Puller
A Czochralski crystal puller is used to produce extremely pure monocrystalline semiconductor boules, such as silicon, from which wafers are sliced for semiconductor manufacturing. It falls under HTS 8465.91.00.27 as specialized sawmill machines adapted for precise sawing in wafer preparation from crystal boules in semiconductor processing. This equipment aligns with statistical notes for wafer manufacturing equipment including crystal growers and pullers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for general crystal growth without semiconductor specificity
Machines for semiconductor manufacturing may shift to Chapter 84 heading for other semiconductor-specific machines if not tied to wafer sawing processes.
If primarily for testing processed semiconductor devices
Testing apparatus for semiconductors falls under Chapter 90 per statistical notes, distinguishing from production sawmill equipment.
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Import Tips & Compliance
• Verify equipment is specifically for semiconductor boule processing to qualify under statistical provisions; provide detailed technical specs and end-use certificates
• Common pitfall: misclassification as general machinery without wafer prep documentation
• Ensure FDA or export control compliance if handling high-purity materials
Related Products under HTS 8465.91.00.27
Precision Crystal Puller Saw
Combined crystal pulling and initial sawing station for monocrystalline semiconductor production. HTS 8465.91.00.27 for sawmill machines in growth-to-slice workflow.
Float Zone Crystal Grower
Float zone crystal growers produce monocrystalline semiconductor boules using the float zone method for high-purity silicon wafers. Classified under HTS 8465.91.00.27 for sawmill machines in woodworking/semiconductor contexts, as it supports boule preparation prior to wafer slicing saws. Matches statistical note (a)(i) for crystal growers in wafer manufacturing.
Semiconductor Wafer Slicing Saw
High-precision wafer slicing saws cut monocrystalline semiconductor boules into thin wafers for device fabrication. Under HTS 8465.91.00.27 as sawmill machines for semiconductor wafer preparation per statistical note (a)(ii)(B). Essential for slicing silicon or gallium arsenide boules in cleanroom environments.
Crystal Boule Slicing Machine
Designed to slice semiconductor crystal boules into wafers using inner-diameter or wire saw technology. Fits HTS 8465.91.00.27 for other sawmill machines in wood/semiconductor working, directly matching statistical note for wafer slicing saws.
Wafer Grinding and Lapping Machine
Precision grinders and lappers process sliced semiconductor wafers to exact dimensional tolerances and flatness for fabrication. Classified under HTS 8465.91.00.27 as sawmill-related machines supporting wafer preparation workflow per statistical note (a)(ii)(C).
Multi-Wire Wafer Saws for Silicon
Multi-wire saws simultaneously slice multiple semiconductor wafers from silicon ingots using diamond wire for high throughput. HTS 8465.91.00.27 covers these as advanced sawmill machines in wafer manufacturing per official statistical notes.