FORGERY PREVENTIVE SEAL AND COLLATION METHOD THEREFOR

摘要: PURPOSE:To provide the seal having high safety for prevention of forgeries, counterfeits and replicated goods. CONSTITUTION:A Fourier transform hologram to be reproduced by laser beam alone is formed on one surface a transmissive resin base material 2 vapor deposited metallic film layer 3 as reflection this 6. A microcapsule 4 which releases coloring agents when cut an adhesive 5 peels from 6 according unsealing patterns are peeled successively 3. protective 1 consisting transparent other 16 2. The forgery alteration prevented respective layers or synergistic effect thereof.