Dichroic reversible photosensitive materials

New materials are the dichroic reversible photosensitive materials which are the crystals of an alkali metal halide in which are contained an alkali metal ion having smaller ion radius than that of the alkali metal in said alkali metal ion and one or more kinds of metal ions other than alkali metal...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOO, TOSHIAKI, IMAI, TERUTOYO, YAZAKI, TAKEHITO, KANATANI, KEIICHI, KISHI, YASUO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON 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 DYES ELECTROGRAPHY FREQUENCY-CHANGING HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLISHES STATIC STORES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	New materials are the dichroic reversible photosensitive materials which are the crystals of an alkali metal halide in which are contained an alkali metal ion having smaller ion radius than that of the alkali metal in said alkali metal ion and one or more kinds of metal ions other than alkali metal ion which possess an ability to act as an electron trap; which have M-center. Said materials are useful as a reversible ultramicro fish, an optical storage element for optical memory system and the like.