OPTICALLY COLOR DEVELOPING ELEMENT

PURPOSE:To enable the writing and vanishment of a fine and high density pattern by forming a layer transmitting no ultraviolet light on one side of a two-layered structure consisting of a color developing layer and an ion feeding source formed in contact with the color developing layer, irradiating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KITAHATA MAKOTO, SETSUNE KENTAROU, YAMAZAKI OSAMU, MITSUYU TSUNEO, WASA KIYOTAKA, HIROCHI KUMIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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