Electron collector for an electron beam tube
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United States of America Patent
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Nov 9, 1993
Grant Date -
N/A
app pub date -
Mar 3, 1992
filing date -
Mar 23, 1991
priority date (Note) -
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Abstract
An electron-beam tube with an electron collector for an electron-beam entering the electron collector in an electron-beam direction. A plurality of large-area projections are provided for heat radiation including a funnel-shaped projection expanding in the electron-beam direction. The funnel-shaped projection includes a smaller opening which is one of directly and indirectly fastened to the collector and including an upstream projection including a surface which is first with respect to the electron-beam direction, the surface facing the arriving electron-beam and the surface being provided with low heat radiation properties. All other surfaces of the plurality of projections having high heat radiation properties higher than the low heat radiation properties. The collector and the plurality of projections being supported by a satellite as a travelling-wave tube with the electron collector radiating into space.
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