Czochralski Crystal Puller Heater Assembly

Replacement heater coil assembly for Czochralski crystal pullers used in growing monocrystalline silicon boules for semiconductor wafers. This part maintains precise temperatures during the crystal growth process. Classified under 8479.90.41.00 as a part of crystal growers/pullers in 8479.89.10.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+17.5%17.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8516.80Lower: 10% vs 17.5%

If used as standalone industrial heater

General electric heating elements not specifically for semiconductor machines classify under Chapter 85

8419.89.95Higher: 39.2% vs 17.5%

If considered part of industrial furnace

Furnace parts for semiconductor crystal growth may fall under 8419 if not specific to 8479 machines

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

Verify the part is specifically designed for machines in 8479.89.10 with manufacturer documentation,Include detailed technical specs showing compatibility with crystal growth equipment

Related Products under HTS 8479.90.41.00

Float Zone Crystal Grower RF Coil

Radio frequency induction coil replacement part for float zone crystal growers that produce high-purity silicon crystals for semiconductor wafers. Essential for localized melting in zone refining process. Falls under 8479.90.41.00 as part of wafer manufacturing crystal growers/pullers.

Crystal Boule Grinder Spindle

High-precision spindle assembly for crystal grinders that shape semiconductor boules to exact wafer diameters and grind orientation flats. Critical for diameter control and flat marking per conductivity specs. Part of 8479.89.10 crystal grinders under 8479.90.41.00.

Wafer Lapping Machine Workholder

Vacuum workholder plate for wafer lappers that hold silicon wafers during precision lapping to achieve required thickness and flatness tolerances. Designed for semiconductor wafer preparation before fabrication. Part of 8479.89.10 wafer preparation equipment under 8479.90.41.00.

Semiconductor Wafer Polishing Platen

Rotary platen assembly for wafer polishers that create mirror-finish surfaces on semiconductor wafers prior to device fabrication. Maintains flatness critical for photolithography overlay. Classified under 8479.90.41.00 as part of wafer polishers in 8479.89.10.

Crystal Grower Crucible Rotation Mechanism

Motorized rotation drive for quartz crucibles in Czochralski crystal pullers, ensuring uniform dopant distribution during silicon ingot growth. Critical for consistent resistivity across boule diameter. Part of 8479.89.10 crystal growers under 8479.90.41.00.

Wafer Grinder Coolant Distribution Ring

Nozzle ring assembly that evenly distributes coolant during crystal boule and wafer grinding operations, preventing thermal damage to semiconductor material. Designed for sub-micron precision grinding. Part of 8479.89.10 wafer grinders under 8479.90.41.00.