Float Zone RF Generator Coupler
An impedance matching coupler for RF generators used in float zone crystal growers, optimizing power transfer to the induction coil for stable zone melting of semiconductor rods. Frequency-tuned for 300-500kHz operation, this accessory is essential for the precision heating process. It is classified under tariff item 8466.92.00 as a part or accessory for machines of heading 84.65.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the coupler is presented as an integral part of an RF generator
Parts of electrical transformers, static converters and inductors are classified under heading 85.04.
If the coupler is part of a complete float zone crystal growing machine
Machines for the manufacture of semiconductor boules or wafers are classified under heading 84.86.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the coupler as an accessory of a machine of heading 84.65 and keep records showing its specific design for float zone crystal growers
• If the coupler is imported with the RF generator as a set, consider whether the principal function determines classification
Related Products under Tariff item 8466.92.00
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An automated diamond dresser for crystal boule flat grinders, conditioning the grinding wheel to precise angles indicating crystal orientation. It is critical for semiconductor industry standards. This dresser is an accessory for machines of heading 84.65, specifically crystal grinders.
Cast Iron Bed Frame for Wafer Grinder
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Cast Iron Column for Wafer Slicing Saw
A rough-machined cast iron vertical column for wafer slicing saws, cleaned of sprues and fins with locator machining only. It supports precise blade movement for slicing semiconductor boules into wafers, a key function of machines under heading 8465.
Cast Iron Foot Bracket for Crystal Grinder
A semi-finished cast iron foot bracket for crystal grinders in wafer preparation equipment, with risers removed and locator faces machined. It ensures machine stability during boule diameter grinding, a process performed by machines of heading 8465.
Cast Iron Headstock Casting for Lapper Machine
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Cast Iron Machine Base for CNC Lathe
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