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Al2O3 99.98% Ø12.5x7mm 500g - 0481229

Al2O3 99.98% Ø12.5x7mm 500g - 0481229

Specifications

Coating material

Aluminium oxide

Purity

99.98%

Form

Tablet

Dimensions

Ø 12.5 x 7 mm

Quantity

500 g

Theoretical density at 20°C in g/cm³

~ 4.0

Melting point in °C

2000-2072

Temperature at vapor pressure

10⁻² mbar in °C

2050

10⁻¹ mbar in °C

2200

Boiling point in °C

2920-3040

Type of evaporation

Melting

Good

Evaporation source (typically)

E-gun

Boat

Boat material

Mo

Good

Specific evaporation conditions

Preparation of base melt (premelt)

Good

Reactive gas pressure

Good

Substrate temperature range

100 - 200 °C

Good

200 - 300 °C

Good

Film transparency

Low

~ 0.19

High

~ 7

Film refractive index n / extinction coefficient k

at 550 nm: n

1.60-1.68

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