Printing system for application of different ink types to create a security document

A security document includes a secure message which is obscured by a frangible layer of opaque material. The frangible layer of opaque material may be removed using light abrasion. The security document is printed on an especially prepared print media, which may include a substrate of paper, light c...

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Bibliographic Details
Main Authors VIVES JUAN CARLOS, LEE TED T, MURCIA ANTONI
Format Patent
LanguageEnglish
Published 08.04.2003
Edition7
Subjects
BOOK COVERS
BOOKBINDING
COLOUR PRINTING
CORRECTION OF TYPOGRAPHICAL ERRORS
DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR
FILES
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
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
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
SELECTIVE PRINTING MECHANISMS
SPECIAL PRINTED MATTER
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:A security document includes a secure message which is obscured by a frangible layer of opaque material. The frangible layer of opaque material may be removed using light abrasion. The security document is printed on an especially prepared print media, which may include a substrate of paper, light card stock, or plastic film, for example. The printing method may be carried out using a common inkjet printer, or a printer of another type may be used to print such a security document. Methods of performing the printing operation are explained, and especially configured printing apparatus for practicing the method is also disclosed. A covert printed security document, and method of making such a document is presented.
Bibliography:Application Number: US20010777499