Phosphor Type 122

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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