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Chromium Sputtering Targets (Cr)

Chromium Sputtering Targets (Cr)
Material Type Chromium
Symbol Cr
Atomic Weight 51.9961
Atomic Number 24
Color/Appearance Silvery, Metallic
Thermal Conductivity 94 W/m.K
Melting Point (°C) 1,857
Coefficient of Thermal Expansion 4.9 x 10-6/K
Theoretical Density (g/cc) 7.2
Z Ratio 0.305
Sputter DC
Max Power Density*
(Watts/Square Inch)
Type of Bond Indium, Elastomer
Comments Films very adherent. High rates possible.


Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point. The name of the element is derived from the Greek word ?????, chr?ma, meaning color, because many chromium compounds are intensely colored.Ferrochromium alloy is commercially produced from chromite by silicothermic or aluminothermic reactions and chromium metal by roasting and leaching processes followed by reduction with carbon and then aluminium. Chromium metal is of high value for its high corrosion resistance and hardness.

Material Notes

Chromium Sputtering Targets, Purity is 99.95%; Circular: Diameter <= 14inch, Thickness >= 1mm; Block: Length <= 32inch, Width <= 12inch, Thickness >= 1mm.

Other Information of Boron Sputtering Targets

• Semiconductor
• Flat panel displays
Competitive pricing
• High purity
• Grain refined, engineered microstructure
• Semiconductor grade

Manufacturing Process
  Three-layer electrolytic process
• Melting and casting
  Electrical resistance furnace - Semi-continuous casting
• Grain refinement
  Thermomechanical treatment
• Cleaning and final packaging - Cleaned for use in vacuum
  Protection from environmental contaminants
  Protection during shipment
99.999% minimum purity
• Semiconductor grade aluminum alloys available
• Planar circular targets up to 18'' (457mm) diameter
• Planar tiles up to 48ײ (1200mm) X 15.75ײ (400mm) for larger target configurations
• Smaller sizes also available for R&D applications
• Sputtering target bonding service
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