Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 22, 2007
Patent Application Number
10737371
Date Filed
December 16, 2003
Patent Primary Examiner
Patent 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.
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