0481638

Specifications

Coating material

Tantalum

Purity

99.9%

Form

Disk

Dimensions

Ø 21 x 5 mm

Quantity

1 pc

Theoretical density at 20°C

16.6 g/cm3

Melting point

3017 °C

Temperature at vapor pressure

10-2 mbar

3040 °C

10-1 mbar

3310 °C

Boiling point

5458 °C

Evaporation source (typically)

E-gun

Directly from Cu crucible

Good

Specific evaporation conditions

Low residual pressure

Good

Film refractive index n / extinction coefficient k

at 550nm

n

2.36-2.56

k

1.81-1.86

at 10 µm

n

14

k

46.4 (10.33 µm)

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