X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1981-10-02
1984-11-20
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Absorption
250399, 250400, 2504923, G21K 500
Patent
active
044843410
ABSTRACT:
An apparatus and system is provided for utilizing an electron beam machine to selectively and alternatively irradiate materials with electrons of X-rays; the conversion between electron radiation and X-radiation being achieved by interposing a plate of low Z material such as aluminum between the beam and the material to be irradiated, the plate having its surface facing the electron beam covered with an X-ray generating or high Z material. The plate serves as a mechanical support for the high Z material, an electron capture body and to some extent as a heat sink. Materials to be irradiated are disposed in a cart and are conveyed under the beam with the plate being interposed whenever a material to receive X-rays passes thereunder; the carts being employed to readily permit multiple passes of the material to be treated with X-rays under the beam whereby heat build up in the X-ray generating target placed over each cart may be maintained at acceptable levels. The material may also be conveyed under the beam in open top containers disposed on an endless or circular conveyor.
REFERENCES:
patent: 4151419 (1979-04-01), Morris
patent: 4344181 (1982-08-01), Baecklund
"Generator with Water Dielectric for Producing Intense Pulses of Fast Electrons and Hand X Radiation", Pecherskii et al., Soviet Physics, vol. 15, No. 6, pp. 594-595, 12/1970.
Church Craig E.
Radiation Dynamics, Inc.
Rose Howard L.
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