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Float Zone Crystal Grower RF Heating Coil

A radio frequency induction coil for float zone crystal growers that produce ultra-pure silicon ingots without crucibles, enabling zone refining for high-resistivity wafers. This is a part of semiconductor crystal growing equipment, classified under parts of machinery for preparing printing components.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

8514.90.00Same rate: Free

If the coil is used in induction furnaces under heading 85.14.

Heading 85.14 covers induction furnaces, and parts thereof may be classified under 8514.90.00 if the coil is for such equipment.

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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 RF heating coil as a part of crystal growing machinery, ensuring it is not declared as a general electrical component

• Provide technical specifications showing its use in float zone processes

• Check if the coil is subject to any import restrictions under Canadian electrical safety regulations

Related Products under Tariff item 8442.40.00

Boule Grinder Workhead Assembly

A complete workhead assembly for a boule grinder, including motor, spindle, and stroke mechanism, used to advance crystal boules against grinding wheels with micron-level diameter control. This is a major replacement part for semiconductor grinders that prepare silicon boules for wafer slicing, falling under parts of machinery for preparing printing components by analogy to precision shaping equipment.

Crystal Boule Grinder Spindle Assembly

A high-precision spindle assembly for crystal grinders that shape semiconductor boules to exact wafer diameters and grind orientation flats, featuring air bearings for vibration-free operation. This is a replacement part for grinding machinery used in preparing semiconductor materials, classified under parts of machinery for preparing printing components due to its precision shaping function.

Crystal Puller Seed Holder Chuck

A graphite or quartz seed holder chuck that precisely positions a seed crystal during Czochralski crystal growth, critical for consistent boule diameter control. This is a part of crystal growing equipment used to produce semiconductor boules, classified under parts of machinery for preparing printing components by analogy to precision positioning apparatus.

Crystal Puller Vacuum Chamber Lid

A stainless steel vacuum chamber lid with viewport and ports for Czochralski crystal pullers, maintaining an argon atmosphere during growth with a double O-ring seal design. This is a structural part of crystal growing equipment used in semiconductor boule production, classified under parts of machinery for preparing printing components.

Czochralski Crystal Puller Replacement Heating Element

A graphite or molybdenum heating element that is a critical replacement part for Czochralski crystal pullers, providing precise temperature control during semiconductor boule growth. This is a part of crystal growing equipment used to produce silicon ingots, classified under parts of machinery for preparing printing components.

Semiconductor Crystal Grinder Diamond Dresser

A single-crystal diamond dresser tool for truing and dressing grinding wheels in semiconductor boule grinders, ensuring consistent wheel profile for precise flat grinding. This is a replacement part for wafer preparation grinders, classified under parts of machinery for preparing printing components.