Wafer Edge Grinder

Machine for grinding wafer edges post-slicing to precise tolerances and remove damage layers before polishing. HTS 8461.50.80.90 includes this semiconductor wafer preparation tool as other cutting-off/grinding by metal/cermet removal.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.4%+35.0%39.4%
🇲🇽Mexico4.4%+10.0%14.4%
🇨🇦Canada4.4%+10.0%14.4%
🇩🇪Germany4.4%+10.0%14.4%
🇯🇵Japan4.4%+10.0%14.4%

Alternative Classifications

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

8460.29.01Same rate: 39.4%

If for general precision grinding

Lacking semiconductor statistical note context shifts to sharpening machines.

9017.20.70Lower: 35% vs 39.4%

If optical flatness primary function

Pattern generating apparatus for semiconductor lithography in Chapter 90.

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Import Tips & Compliance

Specify removal rates and surface finish (Ra < 0.1 micron) in invoices

Pair with boule/w afer lineage docs for consistent classification

Related Products under HTS 8461.50.80.90

Gallium Arsenide Wafer Saw

Precision cutting-off saw optimized for brittle GaAs boules into compound semiconductor wafers with minimal chipping. HTS 8461.50.80.90 covers sawing machines for cermet removal in statistical note materials.

Czochralski Crystal Puller

A machine tool that uses the Czochralski method to grow monocrystalline silicon boules by pulling a seed crystal from molten silicon, grinding the boule to precise diameter. Classified under HTS 8461.50.80.90 as a sawing or cutting-off machine tool working by removing metal or cermets for semiconductor crystal preparation.

Float Zone Crystal Grower

Machine employing float zone method to produce pure monocrystalline semiconductor boules, with integrated grinding for flats indicating conductivity and resistivity. Falls under HTS 8461.50.80.90 as other sawing/cutting-off machine tools removing metal or cermets in semiconductor processing.

Crystal Boule Grinder

Precision grinder for semiconductor crystal boules, achieving exact diameter and flats for conductivity/resistivity indication before wafer slicing. HTS 8461.50.80.90 covers this as other machine tools for sawing/cutting-off by removing metal or cermets in wafer prep.

Semiconductor Wafer Slicing Saw

Diamond wire saw for slicing ultra-thin wafers from monocrystalline semiconductor boules like silicon or gallium arsenide. Classified in HTS 8461.50.80.90 as other sawing or cutting-off machines removing cermets in semiconductor manufacturing.

Crystal Flat Grinding Machine

Specialized grinder creating orientation flats on semiconductor boules to denote doping type and resistivity for wafer processing. Under HTS 8461.50.80.90 as other machine tools for shaping by cermet removal per statistical notes.