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Holmium Sputtering Targets (Ho)

Holmium Sputtering Targets (Ho)
Material Type Holmium
Symbol Ho
Atomic Weight 164.93032
Atomic Number 67
Color/Appearance Silvery White, Metallic
Thermal Conductivity 16 W/m.K
Melting Point (°C) 1,474
Coefficient of Thermal Expansion 11.2 x 10-6/K
Theoretical Density (g/cc) 8.8
Z Ratio 0.58

General

Holmium is a chemical element with symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a rare earth element. Holmium was discovered by Swedish chemist Per Theodor Cleve. Its oxide was first isolated from rare earth ores in 1878 and the element was named after the city of Stockholm.Elemental holmium is a relatively soft and malleable silvery-white metal. It is too reactive to be found uncombined in nature, but when isolated, is relatively stable in dry air at room temperature. However, it reacts with water and corrodes readily, and will also burn in air when heated.

Material Notes

Holmium Sputtering Targets, Purity is 99.9%; Circular: Diameter <= 14inch, Thickness >= 1mm; Block: Length <= 32inch, Width <= 12inch, Thickness >= 1mm.
 


Other Information of Holmium Sputtering Targets

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

Manufacturing Process
Refining
  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
Options
99.999% minimum purity
• Semiconductor grade aluminum alloys available
  Al/Si,Al/Cu,Al/Cu/Si
• Planar circular targets up to 18'' (457mm) diameter
• Planar tiles up to 48'' (1200mm) X 15.75'' (400mm) for larger target configurations
• Smaller sizes also available for R&D applications
• Sputtering target bonding service
 
 
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