Tungsten Nitride Sputtering Target
WSixNy composition sputtering targets create copper diffusion barriers in IC manufacturing. Unworked nitride of tungsten for HTS 2850.00.10.00 before thin film deposition. Density >15g/cc, purity 99.5%.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-sputter cleaned and mounted
Surface-prepared targets for immediate deposition use classify as worked materials.
If integral to semiconductor manufacturing machine
Machines and parts classification when supplied as equipment component.
If vanadium nitride instead of tungsten
Different metal nitrides have separate subheadings within 2850 structure.
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Import Tips & Compliance
• XRD pattern confirmation required showing WN crystal phase
• Uniformity specification <5% thickness variation defines unworked status
• Section 232 steel/aluminum tariffs may apply to bonding plate materials
Related Products under HTS 2850.00.10.00
Tungsten Silicide Powder
Tungsten silicide (WSi2) is a refractory intermetallic compound used in microelectronics for gate electrodes and low-resistivity VLSI components. It falls under HTS 2850.00.10.00 as a chemically defined silicide of tungsten, distinct from carbides in heading 2849. The product is typically supplied as a fine gray powder for high-temperature applications.
Tungsten Boride WB2
Tungsten diboride (WB2) is an ultra-hard ceramic material used in wear-resistant coatings and cutting tools. Classified under HTS 2850.00.10.00 as a boride of tungsten, meeting chemically defined criteria. It exhibits high melting point and chemical stability for extreme environments.
Tungsten Nitride WN Powder
Tungsten nitride (WN) powder serves as a diffusion barrier in semiconductor manufacturing and decorative coatings. It qualifies for HTS 2850.00.10.00 as a chemically defined nitride of tungsten, not a carbide. The material offers high hardness and corrosion resistance.
Tungsten Hydride WH Powder
Tungsten hydride powder functions as a hydrogen storage material and catalyst precursor in chemical synthesis. It is classified under HTS 2850.00.10.00 as a hydride of tungsten per the heading scope for chemically defined compounds. The metastable compound decomposes at moderate temperatures.
Sodium Tungsten Borohydride
Sodium tungsten borohydride serves as a reducing agent in organic synthesis and fuel cell research. As a chemically defined boride complex of tungsten, it falls under HTS 2850.00.10.00, distinguished from simple salts by chapter note 6 on complex compounds. Typically white crystalline powder soluble in polar solvents.
Tungsten Azide W(N3)6
Tungsten hexakis(azide) is an energetic material used in pyrotechnics and airbag initiators. It classifies under HTS 2850.00.10.00 as a chemically defined azide of tungsten. The air-stable crystalline compound offers high detonation velocity.