Radiant energy – Source with charged plate-type detector
Patent
1974-06-26
1976-06-15
Borchelt, Archie R.
Radiant energy
Source with charged plate-type detector
250374, G03B 4116
Patent
active
039639240
ABSTRACT:
A method and apparatus for taking x-ray pictures by ionography wherein the object to be studied is radiated by x-rays which fall on an ionization chamber. The ionization chamber includes a pair of electrodes at least one of which is in the form of a flexible sheet which includes a conductive layer and an insulating layer for collecting on the surface thereof ions generated in the chamber. Both of the electrodes have substantially spherically curved surfaces with their respective centers of curvatures located at the source of ionizing radiation. The flexible sheet is formed into a spherically curved shape by establishing a differential gas pressure across the sheet.
REFERENCES:
patent: 3766385 (1973-10-01), Morsell et al.
patent: 3774029 (1973-11-01), Muntz et al.
patent: 3803411 (1974-04-01), Reiss
patent: 3813546 (1974-05-01), Prondian
patent: 3828192 (1974-08-01), Morsell
patent: 3832546 (1974-08-01), Morsell et al.
patent: 3859529 (1975-01-01), Prondian et al.
Boag John Wilson
Jeffery Paul Nelson
Johns Harold Elford
Anderson B. C.
Borchelt Archie R.
National Research Development Corporation
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