High resolution output structure for an image tube which minimizes Fresnel reflection
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United States of America Patent
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-
Jul 1, 1986
Grant Date -
N/A
app pub date -
Apr 26, 1984
filing date -
Apr 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A phosphor screen which has an optical fiber plate formed of a number of bundled single optical fibers, each of which fibers consists essentially of a cylindrical core and a clad surrounding the curved peripheral wall of the core and a phosphor layer formed on one surface of the optical fiber plate, characterized in that the cylindrical core on the other surface of the optical fiber plate is removed, to provide a depression of a depth of at least 1 .mu.m, thereby producing an image having high contrast.
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