X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1985-11-07
1987-12-22
Moore, David K.
X-ray or gamma ray systems or devices
Source
Electron tube
378136, 378138, 31511121, 31511141, 31323141, 313352, H01J 3500, H05G 100
Patent
active
047150548
ABSTRACT:
A plasma X-ray source comprises inner and outer cylindrical electrodes disposed coaxially and with a certain distance with respect to each other, an electrical insulator disposed between end portions of the inner and outer cylindrical electrodes, and a discharge vessel disposed to envelop the inner and outer cylindrical electrodes. A pulse voltage is applied between the inner and outer cylindrical electrodes to produce plasma in the discharge vessel. An electrically conductive spherical shield is disposed to envelop a space where the plasma is pinched, and the spherical shield is maintained at a potential equal to that applied to the outer cylindrical electrode.
REFERENCES:
patent: 3324333 (1967-06-01), Hahn
patent: 4540868 (1985-09-01), Liebing
patent: 4596030 (1986-06-01), Herziger et al.
J. Plasma Physics (1972), vol. 8, Part 1, pp. 7-20, "X-Ray Fine Structure of Dense Plasma in Coaxial Accelerator".
Harada Kunio
Kato Yasuo
Kubota Shigeo
Murayama Seiichi
Watanabe Yoshio
Hitachi , Ltd.
Moore David K.
Powell Mark R.
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