Apparatus for generating electron radiation and three-dimensional printing apparatus

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United States of America Patent

PATENT NO 10994365
APP PUB NO 20210008656A1
SERIAL NO

16576460

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Abstract

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An apparatus for generating electron radiation comprises: an elongated, wire-shaped hot cathode to emit electron radiation having an elongated, line-shaped cross section perpendicular to a direction of propagation of the electron radiation; a cathode electrode; an anode electrode with an opening through which the electron radiation emitted from the hot cathode can pass, wherein a voltage applied between the cathode electrode and the anode electrode accelerates electrons emitted from the hot cathode; and a deflecting unit to deflect the electron radiation downstream of the opening of the anode electrode, wherein a cross section of the electron radiation perpendicular to the direction of propagation is changed by the deflecting unit to decease a longitudinal extent of the electron radiation and to increase a transverse extent of the electron radiation such that longitudinal and transverse extents of the electron radiation perpendicular to the direction of propagation are about the same size.

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Patent Owner(s)

Patent OwnerAddress
LISSOTSCHENKO VITALIJ44149 DORTMUND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lissotschenko, Vitalij Fröndenberg, DE 37 136

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