Ionography imaging chamber

Details Ionography imaging chamber Ionography imaging chamber

1976-03-12

1977-05-03

Smith, Alfred E.

Radiant energy

Source with charged plate-type detector

G03G 1300, G03G 1500

Patent

active

040216683

ABSTRACT:
An ionography imaging chamber for use in the cassette of an X-ray apparatus has a flat prismatic pressure vessel defining an interelectrode gap for compressed high Z gas and a dielectric charge-receiving sheet which is to be exposed to a pattern of X-rays. The pressure vessel fits into the compartment of a strongly deformation-resistant jacket having a centrally located sleeve consisting primarily of polyurethane foam, a thin tubular inner envelope which consists at least in part of convoluted fibrous material, and a thin tubular outer envelope which also consists at least in part of convoluted fibrous material. That envelope which takes up compressive stresses has a layer of carbon epoxy fibers. The other envelope takes up tensional stresses and contains Kevlar fibers. The pressure vessel has two flat tray-shaped main portions which consist of polyurethane foam. The main portions of the pressure vessel and/or the sleeve of the jacket may be strengthened by inserts consisting of metal or a synthetic plastic material with fibrous reinforcements embedded therein.

REFERENCES:
patent: 3859529 (1975-01-01), Proudian et al.
patent: 3873833 (1975-03-01), Allan et al.

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