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A security paper is provided that includes at least one layer of fibrous substrate and a security deposit thereon. The at least one layer has a main body of a substantially uniform thickness and at least one aperture and/or zone of reduced thickness. The reduced thickness is non-zero and at least 15...

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Bibliographische Detailangaben
Hauptverfasser:	SUGDON, Matthew Charles, STEWART, Georgina, HENDERSON, Peter McLean
Format:	Patent
Sprache:	spa
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING
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Beschreibung
Zusammenfassung:	A security paper is provided that includes at least one layer of fibrous substrate and a security deposit thereon. The at least one layer has a main body of a substantially uniform thickness and at least one aperture and/or zone of reduced thickness. The reduced thickness is non-zero and at least 15% less than the thickness of the main body. The security deposit includes at least one element that partially covers the fibrous substrate exposed in the at least one aperture and/or zone of reduced thickness. Therefore, when the at least one layer is split through its thickness into first and second portions, a hole is provided in the first portion and the at least one element is provided on the fibrous substrate of the second portion. A method of manufacturing the security paper and security documents including the security paper are also provided.