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Lanthanum Sputtering Targets (La)

Lanthanum Sputtering Targets (La)
Material Type Lanthanum
Symbol La
Atomic Weight 138.90547
Atomic Number 57
Color/Appearance Silvery White, Metallic
Thermal Conductivity 13 W/m.K
Melting Point (°C) 921
Coefficient of Thermal Expansion 12.1 x 10-6/K
Theoretical Density (g/cc) 6.17
Z Ratio 0.92
Sputter RF
Max Power Density*
(Watts/Square Inch)
20
UN Number 2813
Comments Films will burn in air if scraped.

General

Lanthanum is a soft, ductile, silvery-white metallic chemical element with symbol La and atomic number 57. It tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. The usual oxidation state is +3. Lanthanum has no biological role in humans but is essential to some bacteria. It is not particularly toxic to humans but does show some antimicrobial activity.

Material Notes

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


Other Information of Lanthanum 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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