SECURITY FEATURE AND METHOD FOR THE DETECTION THEREOF, AND SECURITY OR VALUE DOCUMENT
The invention relates to a security feature for a security and/or value document which comprises a mixture of electrically conductive field displacement elements which are electrically insulated within the security or value document, and a zinc sulfide luminophore in the form of particles, which mix...
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| creator | DEICHSEL, Andreas PETERS, Florian KULIKOVSKY, Lazar |
| description | The invention relates to a security feature for a security and/or value document which comprises a mixture of electrically conductive field displacement elements which are electrically insulated within the security or value document, and a zinc sulfide luminophore in the form of particles, which mixture is applied to a security and/or value document by means of a printing technology. The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0 |
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The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0<x≤0.002; 0<y≤0.00015; and 0≤z≤0.00050. The particles each have cubic phase fractions and hexagonal phase fractions, the zinc sulfide luminophore emitting a first luminescent radiation in the spectral range between 580 nm and 780 nm in the event of excitation by an electrical field, and the zinc sulfide luminophore emitting a second luminescent radiation in the visible spectral range in the event of thermal stimulation and preceding excitation by means of UV radiation. 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The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0<x≤0.002; 0<y≤0.00015; and 0≤z≤0.00050. The particles each have cubic phase fractions and hexagonal phase fractions, the zinc sulfide luminophore emitting a first luminescent radiation in the spectral range between 580 nm and 780 nm in the event of excitation by an electrical field, and the zinc sulfide luminophore emitting a second luminescent radiation in the visible spectral range in the event of thermal stimulation and preceding excitation by means of UV radiation. Furthermore, a security and/or value document having a security feature and a method for detection and/or verification of a security feature having a luminophore are provided.</description><subject>ADHESIVES</subject><subject>BOOK COVERS</subject><subject>BOOKBINDING</subject><subject>CHECKING-DEVICES</subject><subject>CHEMISTRY</subject><subject>DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR</subject><subject>DYES</subject><subject>FILES</subject><subject>HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING</subject><subject>LOOSE LEAVES</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>MOVABLE-STRIP WRITING OR READING APPARATUS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES</subject><subject>PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR</subject><subject>SPECIAL PRINTED MATTER</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgNdnUODfIMiVRwc3UMCQ1yVXD0c1HwdQ3x8HdRcPMPUgjxcFVwcQ1xdQ7x9PcD8YJc_d10wKrgWoHKwhx9QoEK_Z1DfV39QngYWNMSc4pTeaE0NwPQ-BBnD93Ugvz41OKCxOTUvNSSeNcAE2NzcwNLC0dDYyKUAADuxC_w</recordid><startdate>20240605</startdate><enddate>20240605</enddate><creator>DEICHSEL, Andreas</creator><creator>PETERS, Florian</creator><creator>KULIKOVSKY, Lazar</creator><scope>EVB</scope></search><sort><creationdate>20240605</creationdate><title>SECURITY FEATURE AND METHOD FOR THE DETECTION THEREOF, AND SECURITY OR VALUE DOCUMENT</title><author>DEICHSEL, Andreas ; PETERS, Florian ; KULIKOVSKY, Lazar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP4377098A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2024</creationdate><topic>ADHESIVES</topic><topic>BOOK COVERS</topic><topic>BOOKBINDING</topic><topic>CHECKING-DEVICES</topic><topic>CHEMISTRY</topic><topic>DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR</topic><topic>DYES</topic><topic>FILES</topic><topic>HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING</topic><topic>LOOSE LEAVES</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>MOVABLE-STRIP WRITING OR READING APPARATUS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES</topic><topic>PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR</topic><topic>SPECIAL PRINTED MATTER</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>DEICHSEL, Andreas</creatorcontrib><creatorcontrib>PETERS, Florian</creatorcontrib><creatorcontrib>KULIKOVSKY, Lazar</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DEICHSEL, Andreas</au><au>PETERS, Florian</au><au>KULIKOVSKY, Lazar</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SECURITY FEATURE AND METHOD FOR THE DETECTION THEREOF, AND SECURITY OR VALUE DOCUMENT</title><date>2024-06-05</date><risdate>2024</risdate><abstract>The invention relates to a security feature for a security and/or value document which comprises a mixture of electrically conductive field displacement elements which are electrically insulated within the security or value document, and a zinc sulfide luminophore in the form of particles, which mixture is applied to a security and/or value document by means of a printing technology. The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0<x≤0.002; 0<y≤0.00015; and 0≤z≤0.00050. The particles each have cubic phase fractions and hexagonal phase fractions, the zinc sulfide luminophore emitting a first luminescent radiation in the spectral range between 580 nm and 780 nm in the event of excitation by an electrical field, and the zinc sulfide luminophore emitting a second luminescent radiation in the visible spectral range in the event of thermal stimulation and preceding excitation by means of UV radiation. Furthermore, a security and/or value document having a security feature and a method for detection and/or verification of a security feature having a luminophore are provided.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ADHESIVES BOOK COVERS BOOKBINDING CHECKING-DEVICES CHEMISTRY DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DYES FILES HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING LOOSE LEAVES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MOVABLE-STRIP WRITING OR READING APPARATUS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICS POLISHES PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING |
| title | SECURITY FEATURE AND METHOD FOR THE DETECTION THEREOF, AND SECURITY OR VALUE DOCUMENT |
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