Citizen's dosimeter

Details Citizen's dosimeter Citizen's dosimeter

2008-09-02

2008-09-02

Porta, David P. (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

Reexamination Certificate

active

11288058

ABSTRACT:
The present invention relates to a citizen's dosimeter. More specifically, the invention relates to a small, portable, personal dosimetry device designed to be used in the wake of a event involving a Radiological Dispersal Device (RDD), Improvised Nuclear Device (IND), or other event resulting in the contamination of large area with radioactive material or where on site personal dosimetry is required. The card sized dosimeter generally comprises: a lower card layer, the lower card body having an inner and outer side; a upper card layer, the layer card having an inner and outer side; an optically stimulated luminescent material (OSLM), wherein the OSLM is sandwiched between the inner side of the lower card layer and the inner side of the upper card layer during dosimeter radiation recording, a shutter means for exposing at least one side of the OSLM for dosimeter readout; and an energy compensation filter attached to the outer sides of the lower and upper card layers.

REFERENCES:
patent: 3202821 (1965-08-01), Kocher
patent: 6198108 (2001-03-01), Schweitzer et al.
patent: 6271528 (2001-08-01), Struye et al.
patent: 6316782 (2001-11-01), Akselrod et al.
patent: 6811607 (2004-11-01), Akselrod
patent: 7227158 (2007-06-01), Patel et al.

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