Optical memory plate or panel

Details Optical memory plate or panel Optical memory plate or panel

2007-05-22

2007-05-22

Porta, David (Department: 2884)

Radiant energy

Source with recording detector

Using a stimulable phosphor

Reexamination Certificate

active

10737371

ABSTRACT:
An optical memory plate particularly suitable for identification purposes or protection against forgery and counterfeiting radiation provides inscription of data and read-out of thus stored inscription data, comprises a europium doped alkali metal halide storage phosphor layer, and, more preferably, a stimulable CsBr:Eu phosphor substantially free of alkaline earth metals.

REFERENCES:
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patent: 2001/0007352 (2001-07-01), Hell et al.
patent: 2004/0159803 (2004-08-01), Akselrod et al.
patent: 1 014 345 (2000-06-01), None
patent: 1217633 (2002-06-01), None
Patent Abstracts of Japan, Publication No. 63086127, published Apr. 16, 1988, Toshiba Corp.
Partial European Search Report, EP 02 10 2864, Apr. 25, 2003, Stemmer.

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