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SiO2 99.99% Ø21x5mm 10pcs - 0481630

SiO2 99.99% Ø21x5mm 10pcs - 0481630

Specifications

Coating material

Silicon dioxide

Purity

99.99%

Form

Discs

Dimensions

Ø 21 x 5 mm

Quantity

10 pcs

Theoretical density at 20°C in g/cm³

2.2

Melting point in °C

1720

Temperature at vapor pressure

10⁻² mbar in °C

2000

10⁻¹ mbar in °C

2200

Boiling point in °C

2230

Evaporation source (typically)

E-gun

Boat

Specific evaporation conditions

Reactive gas pressure

Possible

Substrate temperature range

< 100 °C

Good

100 - 200 °C

Good

200 - 300 °C

Good

Film transparency

Low

< 0.2

High

9

Film refractive index n / extinction coefficient k

at 550 nm: n

1.45-1.48

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