Float Zone Crystal Grower RF Coil
Radio frequency induction coil used in float zone furnaces to produce high-purity silicon crystals by localized melting without crucibles. Classified under HTS 8431.49.10.80 as a component of heading 8426 semiconductor processing machinery. Critical for zone refining in wafer boule production.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as general induction heating equipment
Induction coils not proven specific to crystal growth machinery may fall under electric heating apparatus provisions.
If when sold as replacement with integrated sensors
Parts incorporating automatic control or regulating features are classified in chapter 90 as instrument parts.
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Import Tips & Compliance
• Include technical specs proving RF frequency compatibility with float zone systems; declare as semiconductor-specific to qualify for chapter 84; watch for anti-dumping duties on certain induction components
Related Products under HTS 8431.49.10.80
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Diamond-embedded conditioning ring used to dress lapping plates in simultaneous double-side wafer lappers. Under HTS 8431.49.10.80 as part of heading 8426 semiconductor lapping equipment.
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