BEELDVERSTERKERBUIS MET EEN VERMINDERD DOORLAATBARE AFDEKLAAG VAN HET ELEKTRONENOPVANGSCHERM

The luminescent screen collecting the photo-electrons of an imaging device is provided with a cover layer that decelerates the electrons so that luminescence occurs only if the photo-electrons have been accelerated to at least a quarter and preferably at least one half of the value of the nominal op...

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Bibliographic Details
Main Author MARTINUS ADRIANUS CORNELIS LIGTENBERG TE BEST
Format Patent
LanguageDutch
Published 17.05.1982
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
GAMMA RAY OR X-RAY MICROSCOPES
IRRADIATION DEVICES
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
PHYSICS
TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR
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Summary:The luminescent screen collecting the photo-electrons of an imaging device is provided with a cover layer that decelerates the electrons so that luminescence occurs only if the photo-electrons have been accelerated to at least a quarter and preferably at least one half of the value of the nominal operating voltage thereby increasing the control range of the permissible intensity variations within the acceptable image definition limits of the device.
Bibliography:Application Number: NL19710005196