G - Physics – 11 – B
Patent
G - Physics
11
B
352/52, 352/57,
G11B 23/40 (2006.01) B42D 15/10 (2006.01) G06K 7/10 (2006.01) G06K 19/08 (2006.01)
Patent
CA 1079850
ABSTRACT A secure property document is provided which includes an optical data set defined by radiant energy modifying elements underlying a magnetic data member for reflecting infrared radiation therethrough. Preferably, the infrared reflectors are comprised of a plurality of thin metallic elements vapor deposited onto a magnetic tape during manu- facture prior to hot stamping.
253403
Beck Charles K.
Foote Francis C.
LandOfFree
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