Method of real time control of ionizing radiation dose rate and

Details Method of real time control of ionizing radiation dose rate and Method of real time control of ionizing radiation dose rate and

1996-06-07

1999-03-09

Nguyen, Kiet T.

Radiant energy

Irradiation of objects or material

Ion or electron beam irradiation

2504921, H01J 4944

Patent

active

058804773

ABSTRACT:
A method and apparatus for real time control of the dose rate of particles or ionizing radiation, especially X-ray radiation, generated from an electron linear gun and applied to objects for various purposes. The method involves sampling continuously, using an appropriate ionization chamber having planar electrodes, placed in the field of particles or ionizing radiation, the current for collecting the load between the electrodes. Thus, the instantaneous does rate of the radiation is represented by the collecting current. Using an appropriate shielded conducting system, the collecting current is directed to an amplification and measurement circuit arranged outside of the irradiation zone. The intensities of the current are translated into dose rate values. The does rate values are then processed and/or displayed and/or recorded. The invention can be applied to the polymerization of resins of composite materials.

REFERENCES:
patent: 3965434 (1976-06-01), Helgesson
patent: 4689488 (1987-08-01), Beziers
patent: 4975585 (1990-12-01), Asai
patent: 5635714 (1997-06-01), Nablo et al.
Nuclear Instruments and Methods, vol. 196, No. 2/3, 1982, Amsterdam, Netherlands, pp. 469-475, XP002003446, T. Yamamoto et al., "Dosimetry of Pulsed X-rays of High Exposure Rate Generated by an Electron Linear Accelerator with an Ionization Chamber."

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