EP0526795B1 - Procédé pour la production d'une image photographique - Google Patents

Procédé pour la production d'une image photographique Download PDF

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Publication number
EP0526795B1
EP0526795B1 EP92112415A EP92112415A EP0526795B1 EP 0526795 B1 EP0526795 B1 EP 0526795B1 EP 92112415 A EP92112415 A EP 92112415A EP 92112415 A EP92112415 A EP 92112415A EP 0526795 B1 EP0526795 B1 EP 0526795B1
Authority
EP
European Patent Office
Prior art keywords
colour
silver
silver halide
density
zone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92112415A
Other languages
German (de)
English (en)
Other versions
EP0526795A1 (fr
Inventor
Kaspar Wingender
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of EP0526795A1 publication Critical patent/EP0526795A1/fr
Application granted granted Critical
Publication of EP0526795B1 publication Critical patent/EP0526795B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/22—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials
    • G03C7/24—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials combined with sound-recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/309—Photographs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/415—Marking using chemicals
    • B42D25/42—Marking using chemicals by photographic processes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/3017—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials with intensification of the image by oxido-reduction
    • G03C7/302—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials with intensification of the image by oxido-reduction using peroxides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/145—Infrared

Definitions

  • ID cards which contain machine-readable information in addition to an image of the cardholder, are becoming increasingly common.
  • the trend is towards colored portraits of the cardholder, which are created using a standard color photographic process.
  • This process starts with a silver halide color photographic material that is exposed and developed and includes a silver removal step consisting of bleaching and fixing, in which all silver and silver halide is removed, and the clear color image, generated from color couplers in the material and the oxidation product of the p- Phenylenediamine developer substance which emerges, machine-readable information, usually information which can be read by infrared light, cannot be applied in this way, since the dyes produced have only very little IR absorption and the silver, which shows sufficient IR absorption, has been removed, as is known.
  • the object of the invention was therefore to find a method for producing an ID card, in which, starting from a color photographic silver halide material, both a clear color image and an IR-readable silver image are easily generated in another part of the image.
  • This task is solved by a so-called development enhancement process, in which the development initially produces a color image which is overlaid by the silver image that is formed at the same time.
  • the reinforcement cut with H2O2 is then in the areas where color couplers have not yet been implemented is present, depending on the resulting silver, only the color image, but not the silver image, is enhanced. This differentiates between color and silver gradation. As a result, the increasing silver density is overlaid by the area of maximum color density.
  • the data of the IR-readable area are imaged with a greater intensity than the data of the colored area.
  • the areas I and II can be spatially separated from one another.
  • the photographic material used is in particular a material which contains on a support, in particular a reflective support, at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler
  • Silver halides contain at least 97 mol% of silver chloride and at most 3 mol% of AgBr and the silver halide coating, indicated as AgNO3, is more than 0.6 g / m2, in particular 0.75 to 1.5 g / m2, the layer or Layers of any color sensitivity have a total silver halide application of at least 0.12 g / m2, expressed as AgNO3.
  • the silver halide emulsions are preferably negative working.
  • the photographic material can also contain a further coupler-free silver halide layer which only produces a silver image which can be read in IR light.
  • the material can contain non-light-sensitive layers, so-called auxiliary layers.
  • auxiliary layers The number and sequence of these layers depend on the quality requirements placed on the material. Yellow, purple, and cyan couplers are the compounds commonly used in photography.
  • the light-sensitive material can further contain the following auxiliaries: antifoggants, hardeners, plasticizers, polymeric latices, UV absorbers, formalin scavengers, stains, development accelerators, whiteners, matting agents, lubricants, antistatic agents, wetting agents and similar compounds.
  • the light-sensitive material can be exposed in a known manner.
  • the following light sources can be used for the exposure; Tungsten, halogen, xenon, mercury lamps, CRT tubes, LED and FOT.
  • the color of the exposure source can be adjusted so that a color-neutral image is created.
  • An exposure device is particularly suitable in which the exposure original is measured in the form of many pixels, the measurement signals are digitized, processed, stored and used again for exposure by means of CRT.
  • the exposed and processed material can be used as such as an ID card.
  • an identification card is laminated on one or both sides with a transparent film.
  • Such a unit is particularly scratch-resistant, stable and protected against counterfeiting and modification.
  • a suitable material for such a laminate consists of a plastic or paper and a heat seal layer. At least part of the ID card produced as described must absorb IR light in a range above 750 nm or higher, preferably at 850-950 nm. Readability can be done both in transmitted light and in reflection. The prerequisite is that the sensitivity of the reader is matched to the properties of the material.
  • Infrared readable characters can be BAR or OCR code characters.
  • a color photographic recording material was produced by applying the following layers in the order given to a support made of paper coated on both sides with polyethylene.
  • the quantities given relate to 1 m2.
  • the corresponding amounts of AgNO3 are given.
  • Example 1 The material of Example 1 was processed as follows:
  • Example 1 The material of Example 1 was processed as follows:
  • Example 1 the proportion of silver density, measured as IR density, in the image areas important for a portrait up to a density of 1.5 is significantly lower in Example 1 according to the invention than in Example 2 produced without color enhancement.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Credit Cards Or The Like (AREA)

Claims (4)

  1. Procédé pour la fabrication d'une image photographique, en particulier d'une carte ID, utilisant un matériau photographique couleur aux halogénures d'argent sur un support réfléchissant comportant une zone I dans laquelle sont enregistrées des informations sous la forme d'une image en couleurs et une zone II dans laquelle sont enregistrées des données détectables en lumière infrarouge, par traitement par les étapes suivantes
    (a) exposition,
    (b) développement par un révélateur chromogène,
    (c) traitement par H₂O₂ ou par un composé qui libère H₂O₂,
    (d) fixage sans blanchir avant ou pendant le blanchiment,
    (e) lavage à l'eau ou stabilisation et
    (f) séchage,
    les étapes (b) et (c) pouvant être combinées en une étape, caractérisé en ce que les étapes (a) et (b) sont mises en oeuvre de telle sorte que la densité maximale de l'image argentique dans la zone II après traitement est d'au moins 0,35, de préférence au moins 0,5, mesurée en réflexion à 850 nm, et la densité maximale de l'image argentique dans la zone I après traitement est au plus de 1,5, de préférence au plus 0,5 dans les portions de densité de couleur neutre et au plus de 1,5, au plus 0,4 dans les zones de densité de couleur jaune, magenta ou cyan, mesurée en réflexion à 850 nm.
  2. Procédé selon la revendication 1, caractérisé en ce que le matériau photographique couleur contient des émulsions aux halogénures d'argent donnant un négatif.
  3. Procédé selon la revendication 1, caractérisé en ce que le matériau photographique couleur contient des émulsions aux halogénures d'argent à au moins 97 mol% d'AgCl et au plus 3 mol% d'AgBr.
  4. Procédé selon la revendication 1, caractérisé en ce que la matériau photographique couleur a dans les couches photosensibles un titre en argent, déterminé en AgNO₃, de 0,6 à 1,5 g/m², la ou les couches de chaque sensibilité chromatique présentant un titre total en halogénures d'argent d'au moins 0,12 g/m², indiqué en AgNO₃.
EP92112415A 1991-08-03 1992-07-21 Procédé pour la production d'une image photographique Expired - Lifetime EP0526795B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4125756A DE4125756A1 (de) 1991-08-03 1991-08-03 Verfahren zur herstellung eines fotografischen bildes
DE4125756 1991-08-03

Publications (2)

Publication Number Publication Date
EP0526795A1 EP0526795A1 (fr) 1993-02-10
EP0526795B1 true EP0526795B1 (fr) 1995-05-24

Family

ID=6437634

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92112415A Expired - Lifetime EP0526795B1 (fr) 1991-08-03 1992-07-21 Procédé pour la production d'une image photographique

Country Status (4)

Country Link
US (1) US6033832A (fr)
EP (1) EP0526795B1 (fr)
JP (1) JP2865156B2 (fr)
DE (2) DE4125756A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211460A1 (de) * 1992-04-06 1993-10-07 Agfa Gevaert Ag Verfahren zur Herstellung eines fotografischen Bildes
US6264296B1 (en) * 1997-05-06 2001-07-24 Fargo Electronics, Inc. Ink jet identification card printer with lamination station
DE19801589C2 (de) * 1998-01-17 2001-02-01 Bundesdruckerei Gmbh Verfahren zur fälschungssicheren Herstellung von Wert- und Sicherheitsdokumenten
US7339690B2 (en) * 1999-07-14 2008-03-04 Fargo Electronics, Inc. Identification card printer with client/server
US7399131B2 (en) 2001-03-05 2008-07-15 Fargo Electronics, Inc. Method and Device for forming an ink-receptive card substrate
US6593042B1 (en) * 2001-12-21 2003-07-15 Eastman Kodak Company Expansion of color gamut for silver halide media
US7430762B2 (en) * 2002-03-01 2008-09-30 Fargo Electronics, Inc. Identification card manufacturing security
US7620815B2 (en) * 2003-02-21 2009-11-17 Fargo Electronics, Inc. Credential production using a secured consumable supply
WO2005026908A2 (fr) * 2003-09-11 2005-03-24 Fargo Electronics, Inc. Systeme de fabrication de cartes d'identification, commande de provisions et rapport de diagnostic
WO2005109716A2 (fr) * 2004-05-03 2005-11-17 Fargo Electronics, Inc. Attribution geree de carte d'identite privee
US20070043684A1 (en) * 2005-08-18 2007-02-22 Fargo Electronics, Inc. Central Management of a Credential Production System
US8099187B2 (en) 2005-08-18 2012-01-17 Hid Global Corporation Securely processing and tracking consumable supplies and consumable material

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243295A (en) * 1963-08-19 1966-03-29 Eastman Kodak Co Process for developing color film with sound record
US3819372A (en) * 1972-06-13 1974-06-25 Minnesota Mining & Mfg Film element and method for production of spatially distinct dye and silver photographic images
US4113490A (en) * 1974-07-12 1978-09-12 Konishiroku Photo Industry Co., Ltd. Method for processing light-sensitive silver halide photographic materials
JPS5170644A (en) * 1974-12-16 1976-06-18 Konishiroku Photo Ind Gaishikikaraashishinkankozairyo
JPS5199522A (en) * 1975-02-28 1976-09-02 Fuji Photo Film Co Ltd Shikisogazokeiseiho
JPS51146827A (en) * 1975-06-12 1976-12-16 Fuji Photo Film Co Ltd Multi layer color sensitive material
US4200466A (en) * 1975-09-30 1980-04-29 Konishiroku Photo Industry Co., Ltd. Light-sensitive silver halide photographic materials
JPS5251941A (en) * 1975-10-24 1977-04-26 Konishiroku Photo Ind Co Ltd Processing of silver halide photographic light sensitive material
US4216285A (en) * 1978-06-26 1980-08-05 Miller Harris R Monobath processing of color film, including optical sound
JPS5818629A (ja) * 1981-07-28 1983-02-03 Fuji Photo Film Co Ltd 画像形成方法
JPS5965843A (ja) * 1982-10-07 1984-04-14 Fuji Photo Film Co Ltd カラ−画像形成方法
GB8609137D0 (en) * 1986-04-15 1986-05-21 Minnesota Mining & Mfg Imaging system
JPS6444938A (en) * 1987-08-13 1989-02-17 Fuji Photo Film Co Ltd Method for forming amplification of color image
EP0342601A3 (en) * 1988-05-16 1990-04-04 Konica Corporation Id card legible with ir light
GB8909579D0 (en) * 1989-04-26 1989-06-14 Kodak Ltd Method for adding components to photographic processing solutions
DE4039022A1 (de) * 1990-12-07 1992-06-11 Agfa Gevaert Ag Farbfotografisches aufzeichnungsmaterial

Also Published As

Publication number Publication date
DE4125756A1 (de) 1993-02-04
DE59202313D1 (de) 1995-06-29
JP2865156B2 (ja) 1999-03-08
EP0526795A1 (fr) 1993-02-10
US6033832A (en) 2000-03-07
JPH05216192A (ja) 1993-08-27

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