ARMY/NAVY INSTRUMENTATION PROGRAM - PHOSPHOR RESEARCH.
SERVO CORP OF AMERICA LINDENHURST N Y
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A research program was carried out involving a study of thin film electroluminescent cells. These cells were produced on glass substrates. They employed transparent SnO2 for one electrode and aluminum for the other. By a detailed study of the variables involved in the vapor deposition process, a simple, one-step, repro ducible procedure was established for the pre paration of ZnSMn phosphor films. This pro cedure is unique in not requiring excessively high temperatures or any succeeding heat treat ment. Through considerable advancement in the control of the deposition and substrate pre paration, it was possible to fabricate numerous arrays of small cells, each approximately 0.025- x 0.025 -in square. Smaller cells leading to an even higher density display or ELPC configuration are now feasible. Author