Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1986-11-14
1989-08-22
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
2503541, 378145, G21K 104, G01T 1185
Patent
active
048598550
ABSTRACT:
A dosimeter for ionizing radiation is of oblong shape. It comprises a gas-filled measuring chamber surrounded by a casing. Two opposite side walls are manufactured of material transparent to the ionizing radiation. One of the transparent side walls is provided with a transparent plate-like electrode. The other transparent side wall is provided with a number of strip-like electrodes extending transversely to the longitudinal direction of the measuring chamber. A guard electrode surrounds the plate-like electrode. The dosimeter being transparent to X-rays can be used particularly in slit radiography equipment in which the slitwidth can be controlled locally and independently along the length of the slit.
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Handbook on Synchrotron Radiation, E. Koch, Editor, vol. 1A, North Holland Publishing Co., New York (1983), pp. 323-328.
Dhawan et al., "A Multiwire Proportional Counter with 5 Wires per Millimeter," 1973 Int'l Conference on Instumentation for High Energy Physics (May 1973), pp. 313-315.
B.V. Optisch Industrie `De Oude Delft`
Howell Janice A.
Marn Louis E.
Rauchholz William F.
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