X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1991-03-26
1992-02-04
Howell, Janice A.
X-ray or gamma ray systems or devices
Source
Electron tube
378125, 310154, H01J 3510
Patent
active
050864424
ABSTRACT:
A magnetic coupling for a device, such as a cathode, which is received in a vacuum bulb of a tube which has shafts for mounting the tube for rotation on an axis, has an inner ferromagnetic part disposed in the vacuum bulb and connected to the device and an outer ferromagnetic part which is arranged outside of the vacuum bulb and aligned with the inner part. The outer part comprises a magnetic arrangement having a plurality of pole pieces to which the poles of a ferromagnetic yoke that forms the inner part are allocated.
REFERENCES:
patent: 2311724 (1943-02-01), Atlee
patent: 3710162 (1973-01-01), Bougle
patent: 3984711 (1976-10-01), Kordik
patent: 4468801 (1984-08-01), Sudo et al.
Von Kurt Dietz "Altes und Neues Uber Rontgen-Rohren", Rontgenpraxis, S. Hirzel Verlag Stuttgart, 1964, pp. 31-32.
Gemmel Edwin
Hock Stefan
Rohmfeld Josef
Howell Janice A.
Siemens Aktiengesellschaft
Wong Don
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