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Hitachi

Hitachi High-Tech GLOBAL

Parameter Units CeBix®
Stoichiometry N/A ~6
Metal Impurities ppm by wt. <30
Density g/cm3 4.8
Coefficient of Thermal Expansion α × 10^6 6.2
Electrical Resistivity µΩ-cm ~65
Effective Work Function (100) at 1800 K eV 2.65
Absolute Work Function (100) at 300 K eV 2.5
Spectral Emissivity at 0.65 microns N/A 0.779
Evaporation rate at 1800 K (UHV) g/cm2/s 1.6 × 10^-9
Orientation limit for specific orientation degrees <2
Pyrolitic block mount resistance @ 1800 K Ω 1.45
Clamping pressure of SMVM MPa 34.5
Yield of finished cathodes N/A >85%