METHOD OF USING MICROSPHERE, FORGE PREVENTION MARK USING IT, AND ITS TRUTH JUDGING APPARATUS
PROBLEM TO BE SOLVED: To provide a method of using a microsphere that a very remarkable effect is acquired. SOLUTION: The microsphere 2 which oscillates an oscillation laser beam OL by irradiating an excitation laser beam EL is fixed on a recognized body 1, and is used as a forgery prevention means....
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a method of using a microsphere that a very remarkable effect is acquired. SOLUTION: The microsphere 2 which oscillates an oscillation laser beam OL by irradiating an excitation laser beam EL is fixed on a recognized body 1, and is used as a forgery prevention means. COPYRIGHT: (C)2006,JPO&NCIPI |
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