![]() G03H1/0005- Adaptation of holography to specific applications.B41M1/24- Inking and printing with a printer's forme combined with embossing.B41M1/22- Metallic printing Printing with powdered inks.B41M1/12- Stencil printing Silk-screen printing.B41M1/10- Intaglio printing Gravure printing.B41M1/00- Inking and printing with a printer's forme.B41M- PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES COLOUR PRINTING.B42D25/328- Diffraction gratings Holograms.B42D25/30- Identification or security features, e.g.B42D25/00- Information-bearing cards or sheet-like structures characterised by identification or security features Manufacture thereof.B42D- BOOKS BOOK COVERS LOOSE LEAVES PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR MOVABLE-STRIP WRITING OR READING APPARATUS.B42- BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER.B41F19/02- Apparatus or machines for carrying out printing operations combined with other operations with embossing.B41F19/00- Apparatus or machines for carrying out printing operations combined with other operations.B41F11/02- Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities.B41F11/00- Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination.B41- PRINTING LINING MACHINES TYPEWRITERS STAMPS.G03H1/028- Replicating a master hologram without interference recording by embossing.G03H1/0276- Replicating a master hologram without interference recording. ![]() G03H1/02- Details of features involved during the holographic process Replication of holograms without interference recording.G03H1/00- Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them Details peculiar thereto.G03H- HOLOGRAPHIC PROCESSES OR APPARATUS.G03- PHOTOGRAPHY CINEMATOGRAPHY ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ELECTROGRAPHY HOLOGRAPHY.Assignors: PRINTETCH LIMITED Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links Assignors: BOSWELL, DAVID, DICKER, MARK, WINTON, STEVEN Publication of US20070070503A1 publication Critical patent/US20070070503A1/en Application granted granted Critical Publication of US8015919B2 publication Critical patent/US8015919B2/en Assigned to BASF SE reassignment BASF SE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from GB0326576.6 external-priority Application filed by Printetch Ltd filed Critical Printetch Ltd Assigned to PRINTETCH LIMITED reassignment PRINTETCH LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Printetch Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor David Boswell Mark Dicker Steven Winton Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US10/578,956 Other versions US20070070503A1 ![]() Google Patents Security printing using a diffraction gratingÄownload PDF Info Publication number US8015919B2 US8015919B2 US10/578,956 US57895604A US8015919B2 US 8015919 B2 US8015919 B2 US 8015919B2 US 57895604 A US57895604 A US 57895604A US 8015919 B2 US8015919 B2 US 8015919B2 Authority US United States Prior art keywords substrate diffraction grating printing holographic metallic ink Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US8015919B2 - Security printing using a diffraction grating US8015919B2 - Security printing using a diffraction grating
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