PROCEDE POUR DEPOSER DES PARTICULES DANS UNE COUCHE RAMOLLISSABLE POUR FORMER UN ELEMENT DE FORMATION D'IMAGE A MIGRATION

A process for depositing particles within a softenable layer to form a migration imaging member wherein the layer is softened by heating, exposed in a first deposition zone to a high impingement rate of vapors of selenium or selenium alloy moving along in a line of sight path from a selenium or sele...

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Bibliographic Details
Main Author PHILIP H. SODEN ET PAUL S. VINCETT
Format Patent
LanguageFrench
Published 24.10.1986
Edition4
Subjects
AUXILIARY PROCESSES IN PHOTOGRAPHY
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
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Summary:A process for depositing particles within a softenable layer to form a migration imaging member wherein the layer is softened by heating, exposed in a first deposition zone to a high impingement rate of vapors of selenium or selenium alloy moving along in a line of sight path from a selenium or selenium alloy source to form a sub-surface monolayer of spherical particles comprising the selenium or selenium alloy, removed from the first deposition zone prior to a substantial dropoff in transmission optical density, exposed to a lower impingement rate of vapors of selenium or selenium alloy in a second deposition zone to increase the size of the spherical particles while maintaining a narrow particle size distribution and achieving a high surface packing density thereby increasing the transmission optical density of the imaging member, and thereafter removed from the second deposition zone prior to a substantial dropoff in transmission optical density.
Bibliography:Application Number: FR19840001405