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Si 99.999% Ø21x5mm 5pcs - 0481619

Si 99.999% Ø21x5mm 5pcs - 0481619

Specifications

Coating material

Silicon

Purity

99.999%

Form

Discs

Dimensions

Ø 21 x 5 mm

Quantity

5 pcs

Theoretical density at 20°C in g/cm³

2.3

Melting point in °C

1410

Temperature at vapor pressure

10⁻² mbar in °C

1630

10⁻¹ mbar in °C

1830

Boiling point in °C

2355

Type of evaporation

Melting

Good

Evaporation source (typically)

E-gun

Directly from Cu crucible

Good

Boat

Boat material

W

Possible

Mo

Good

Specific evaporation conditions

Preparation of base melt (premelt)

Good

Low residual pressure

Good

Reactive gas pressure

Possible

Substrate temperature range

100 - 200 °C

Good

Film transparency

Low

1

High

8

Film refractive index n / extinction coefficient k

at 550 nm: n

3.9(1 µm)

at 10 µm: k

3.4(3 µm)

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Umicore RISE Strategy 2030