Mask placed over face of image-dissecting photomultiplier tube has precision array of pinholes that permit light to impinge on tube at known points. Signals are fed to deflection coil which sweeps beam across each point without complex operator procedures.
Simplified deflection-coil linearity testing
NASA Tech Briefs ; 1 , 2
1976-08-01
Miscellaneous
No indication
English
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