X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1991-09-30
1993-04-20
Porta, David P.
X-ray or gamma ray systems or devices
Source
Electron tube
378125, 378132, H01J 3510
Patent
active
052048900
ABSTRACT:
A rotary X-ray tube of the anode type wherein at least one of bearing surfaces which are partly formed on rotary and stationary structures is made of ceramics whose main component is the nitride, boride or carbide of at least one of those deviation metals, except chromium, which belong to a group IVA, VA or VIA element of a period 4, 5 or 6 of the Periodic Table.
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patent: 5068885 (1991-11-01), Vetter
patent: 5077776 (1991-12-01), Vetter
Anno Hidero
Kitami Takayuki
Ono Katsuhiro
Shinto Murashi
Sugiura Hiroyuki
Kabushiki Kaisha Toshiba
Porta David P.
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