Phosphor Type 122
GENERAL INFORMATION
JEDEC Number: P-20
Chemical Composition : Zinc Cadmium Sulfide:Silver
Application : Storage Tubes
Typical Optical Properties:
Optimum Screen Weight : 4.0 mg/cm2
Fluorescence: Yellow
Wavelength at Peak: 550 nm
Band Width (50%): 90 nm
ICI Color Coordinates: x = 0.381 - y = 0.575
Relative CR Brightness (P-20 = 100): 100
Decay Classification: Medium Short
Typical Physical Properties:
Particle Size Distribution (Size in Microns at Listed Percentiles):
5% 50% 95%
Micromerograph : 3.5 6.9 12.1
Coulter Counter : 4.1 9.6 22.3
Fisher Sub-Sieve Sizer Number: 5.9
Conductivity: 29.4
pH: 10.1
Body Color: Yellow