Dihedral deflection cathode for an X-ray tube
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United States of America Patent
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Jun 29, 1993
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N/A
app pub date -
Feb 1, 1991
filing date -
Feb 2, 1990
priority date (Note) -
Expired
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Abstract
The invention relates to X-ray tubes. The cathode for an X-ray tube has two filaments associated with a deflecting and focusing device which comprises at least three metal parts which are electrically insulated from one another and which are raised to electrical voltages. First and second ones of the metal, parts are associated with a first filament, while the second metal part and a third metal part are associated with the second filament.
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