RF Coil Assembly for Float Zone Puller

Radio frequency induction coil assembly that creates the molten zone in float zone crystal growth systems. Specific part for heading 8428 semiconductor machinery. Included in 8431.39.00 as other parts.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFree+35.0%35%
πŸ‡²πŸ‡½MexicoFree+10.0%10%
πŸ‡¨πŸ‡¦CanadaFree+10.0%10%
πŸ‡©πŸ‡ͺGermanyFree+10.0%10%
πŸ‡―πŸ‡΅JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8515.21.00.00Same rate: 35%

If sold as separate RF generator

Transmission apparatus for RF power in 8515 if not integrated machinery part.

8504.50Lower: 10% vs 35%

If inductors for general electrical use

Inductors fall under 8504 unless proven solely for 8428 equipment.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ FCC compliance for RF emissions; link to specific 8428 machine model

β€’ Avoid classifying as standalone RF generator

Related Products under HTS 8431.39.00

Seed Crystal Rotation Mechanism

Motorized mechanism that rotates the seed crystal at precise speeds during Czochralski pulling to ensure uniform boule diameter. Critical part for heading 8428 crystal growers. 8431.39.00 classification.

Wafer Bow Measurement Fixture

Fixture that holds wafers during bow/warp measurement in grinding process control stations. Designed for wafer grinder/polisher equipment of heading 8428. Parts in 8431.39.00.

Czochralski Crystal Puller Furnace

A high-temperature furnace used in the Czochralski method to grow monocrystalline silicon boules for semiconductor wafers. It is a part of crystal grower equipment classified under heading 8428 for other machinery of mineral substances. Falls under 8431.39.00 as a part solely for such semiconductor processing machinery.

Float Zone Crystal Grower

Apparatus employing the float zone method to produce ultra-pure monocrystalline semiconductor boules by melting and recrystallizing silicon rods. Classified as machinery of heading 8428 for semiconductor material processing. Its parts are under 8431.39.00 as other parts for such equipment.

Crystal Boule Grinder

Precision grinder for shaping semiconductor crystal boules to exact wafer diameters and grinding flats to indicate conductivity type. Part of wafer preparation equipment under heading 8428 machinery. Covered by 8431.39.00 for other parts of such semiconductor processing machines.

Semiconductor Wafer Slicing Diamond Saw

Diamond wire or blade saw designed to slice ultra-thin wafers from monocrystalline semiconductor boules without damage. Essential wafer preparation machinery of heading 8428. Parts thereof are 'other' under 8431.39.00.