X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1986-03-19
1988-07-12
Howell, Janice A.
X-ray or gamma ray systems or devices
Source
Electron tube
378121, 378119, H01J 3500
Patent
active
047575247
ABSTRACT:
An improved X-ray tube including a coaxial tube with a center conductor isolated by a cylindrical insulator from a continuous annular interior conductor disposed about the insulator. The interior conductor includes sharp edged (high gradient) longitudinally aligned gaps in its surface with these gaps further generally aligned opposite one or more high atomic number targets deployed within the interior of a partially evacuated housing. A high voltage, high frequency AC or rapidly pulsed DC electrical excitation source is connected across the center and interior conductors to develop a high voltage electric field across the conductor gaps. A high voltage single or multiple pulse generating circuit is further connected across the interior conductor and the target to produce X-rays.
REFERENCES:
patent: 3735187 (1973-05-01), Rogers et al.
patent: 4570106 (1986-02-01), Sohval et al.
patent: 4596030 (1986-06-01), Herziger et al.
patent: 4602376 (1986-07-01), Doucet et al.
Anderson Terry J.
Block Robert B.
Howell Janice A.
Northrop Corporation
Porta David P.
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