X-ray tube

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9653248
APP PUB NO 20150117617A1
SERIAL NO

14582782

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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According to one embodiment, an X-ray tube includes an anode target, a cathode including a filament and a convergence electrode which includes a groove portion, and an envelope. The groove portion includes a pair of first bottom surfaces which are located in the same plane as the filament and between which the filament is interposed in a width direction of the groove portion, and a pair of second bottom surfaces between which the filament and the pair of first bottom surfaces are interposed in a length direction of the groove portion and which are located closer to an opening of the groove portion than the pair of first bottom surfaces.

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Patent Owner(s)

  • TOSHIBA ELECTRON TUBES & DEVICES CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akahori, Naoki Otawara, JP 3 48
Anno, Hidero Otawara, JP 45 378
Ishihara, Tomonari Otawara, JP 19 76

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