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Calcium Sputtering Targets (Ca)

Calcium Sputtering Targets (Ca)
Material Type Calcium
Symbol Ca
Atomic Weight 40.078
Atomic Number 20
Color/Appearance Silvery White, Metallic
Thermal Conductivity 200 W/m.K
Melting Point (°C) 839
Coefficient of Thermal Expansion 22.3 x 10-6/K
Theoretical Density (g/cc) 1.54
Z Ratio 2.62
Max Power Density*
(Watts/Square Inch)
20
UN Number 1401
Comments Corrodes in air.

General

Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft grayish-yellow alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.Free calcium metal is too reactive to occur in nature. Calcium is produced in supernova nucleosynthesis.

Material Notes

Calcium Sputtering Targets, Purity is 99.5%; Circular: Diameter <= 14inch, Thickness >= 1mm; Block: Length <= 32inch, Width <= 12inch, Thickness >= 1mm.

 

Other Information of Calcium 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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