EP0922994B1 - Lichtempfindliches Silberhalogenidelement mit verbesserter Lichtempfindlichkeit - Google Patents

Lichtempfindliches Silberhalogenidelement mit verbesserter Lichtempfindlichkeit Download PDF

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Publication number
EP0922994B1
EP0922994B1 EP98204077A EP98204077A EP0922994B1 EP 0922994 B1 EP0922994 B1 EP 0922994B1 EP 98204077 A EP98204077 A EP 98204077A EP 98204077 A EP98204077 A EP 98204077A EP 0922994 B1 EP0922994 B1 EP 0922994B1
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Prior art keywords
silver halide
silver
organic
photosensitive element
emulsion
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EP98204077A
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English (en)
French (fr)
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EP0922994A3 (de
EP0922994A2 (de
Inventor
René De Keyzer
Mona Treguer
Jaqueline Belloni-Cofler
Remita Hynd
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Centre National de la Recherche Scientifique CNRS
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Centre National de la Recherche Scientifique CNRS
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    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/66—Compositions containing chromates as photosensitive substances
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/015—Apparatus or processes for the preparation of emulsions
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
    • G03C1/498—Photothermographic systems, e.g. dry silver
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/015—Apparatus or processes for the preparation of emulsions
    • G03C2001/0156—Apparatus or processes for the preparation of emulsions pAg value; pBr value; pCl value; pI value
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03511—Bromide content
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03535—Core-shell grains
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03594—Size of the grains
    • 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
    • G03C2200/00—Details
    • G03C2200/44—Details pH value

Claims (12)

  1. Photosensitives Element, umfassend eine Silberhalogenidemulsion mit Silberhalogenidkörnchen, die ein Löcher einfangendes organisches Dotiermittel enthalten, wobei das Dotiermittel ein Mittel ist, das ein oder mehrere Elektron(en) zur Reaktion mit einem nach Absorption eines Photons in dem Silberhalogenidkristallgitter gebildeten positiven Loch freisetzt, dadurch gekennzeichnet, dass das Mittel in dem Silberhalogenidkristallgitter eingearbeitet ist, wobei das Silberhalogenid aus wenigstens einem aus der Gruppe bestehend aus Chlorid, Bromid und Iodid ausgewählten Halogenid besteht und wobei das Silberhalogenid wenigstens 10 Molprozent Bromid enthält und dass das Löcher einfangende organische Dotiermittel durch die Formel (I):

            R-COOM     (I)

    dargestellt ist, wobei
    R Wasserstoff, eine substituierte oder unsubstituierte Alkylgruppe, eine substituierte oder unsubstituierte Arylgruppe, eine substituierte oder unsubstituierte Aralkylgruppe oder Heteroarylgruppe darstellt, und
    M ein Alkali- oder Erdalkalimetall oder eine organische Gruppe, die ein unsubstituiertes oder substituiertes Ammoniumkation in Form von N+R3R4R5R6 sein kann, wobei die Gruppen R3 bis R6 gleich oder verschieden sein können und R3 bis R6 jeweils unabhängig Wasserstoff, unsubstituiertes oder substituiertes Alkyl, unsubstituiertes oder substituiertes Aryl darstellen; oder ein Phosphonium-, Selenium-, Iodonium-, Telluronium- oder Sulfoniumion ist.
  2. Photosensitives Element nach Anspruch 1, wobei M in der Formel (I) ein Alkalimetall ist.
  3. Photosensitives Element nach Anspruch 1, wobei das Löcher einfangende organische Dotiermittel gemäß der Formel (I) Ameisensäure oder ein anorganisches oder organisches Salz davon ist.
  4. Photosensitives Element nach einem der Ansprüche 1 bis 3, wobei das Löcher einfangende organische Dotiermittel in einer Menge von 10-8 bis 10-2 Mol pro Mol Silberhalogenid vorliegt.
  5. Photosensitives Element nach einem der Ansprüche 1 bis 4, wobei die Silberhalogenidemulsion wenigstens ein J-Farbstoffaggregat als Spektralsensibilisiermittel enthält.
  6. Photosensitives Element nach Anspruch 5, wobei die spektralsensibilisierte Silberhalogenidemulsion ein J-Aggregat-Tuning-Produkt umfasst.
  7. Photosensitives Element nach Anspruch 6, wobei das J-Aggregat-Tuning-Produkt ein Photostabilisiermittel ist.
  8. Photosensitives Element nach einem der Ansprüche 1 bis 7, wobei die Silberhalogenidemulsion Silberhalogenidkörnchen mit einem mittleren äquivalenten sphärischen Durchmesser SED zwischen 0,01 und 2,0 µm enthält.
  9. Photosensitives Element nach einem der Ansprüche 1 bis 8, wobei die ein Löcher einfangendes Dotiermittel enthaltenden Silberhalogenidkörnchen Körnchen sind, die einen Kern und eine äußerste Schale aufweisen und die äußerste Schale das Löcher einfangende Dotiermittel umfasst.
  10. Photosensitives Element nach Anspruch 9, wobei die Schale weniger als 95 Prozent des in den Körnchen vorliegenden Silbers enthält.
  11. Photosensitives Element nach einem der Ansprüche 1 bis 10, wobei das Element ein photoadressierbares thermographisches Element ist, umfassend ein im Wesentlichen lichtinsensitives organisches Silbersalz, ein organisches Reduktionsmittel dafür in thermischer Arbeitsbeziehung damit und ein Bindemittel.
  12. Photosensitives Element nach den Ansprüche 1 bis 11, wobei ein weiteres Löcher einfangendes organisches Dotiermittel durch die Formel (II) dargestellt ist:
    Figure imgb0009
     wobei
    X und Y unabhängig aus O, S, Se ausgewählt sind,
    m 1 ist und n 1 oder 2 ist,
    R1 und R2 jeweils unabhängig Wasserstoff, eine substituierte oder unsubstituierte Alkylgruppe, eine substituierte oder unsubstituierte Aryl- oder Aralkylgruppe oder eine substituierte oder unsubstituierte Heteroarylgruppe darstellen, wobei R1 und R2 gleich oder verschieden sein können und einen Ring bilden können;
    E eine Gruppe, die mit dem Kohlenstoffatom durch ein Heteroatom verbunden ist, mit wenigstens einem freien Elektronenpaar darstellt;
    M+ ein Proton oder ein organisches oder anorganisches Gegenion ist.
EP98204077A 1997-12-11 1998-11-30 Lichtempfindliches Silberhalogenidelement mit verbesserter Lichtempfindlichkeit Expired - Lifetime EP0922994B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98204077A EP0922994B1 (de) 1997-12-11 1998-11-30 Lichtempfindliches Silberhalogenidelement mit verbesserter Lichtempfindlichkeit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97203897 1997-12-11
EP97203897 1997-12-11
EP98204077A EP0922994B1 (de) 1997-12-11 1998-11-30 Lichtempfindliches Silberhalogenidelement mit verbesserter Lichtempfindlichkeit

Publications (3)

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EP0922994A2 EP0922994A2 (de) 1999-06-16
EP0922994A3 EP0922994A3 (de) 2007-01-10
EP0922994B1 true EP0922994B1 (de) 2009-08-19

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6277550B1 (en) 1998-11-30 2001-08-21 Agfa-Gevaert Silver halide emulsion having improved sensitometric characteristics
US6514682B1 (en) 2001-06-20 2003-02-04 Eastman Kodak Company Speed addendum for photographic emulsions
WO2010125323A1 (en) * 2009-04-28 2010-11-04 Harman Technology Limited Biocidal composition

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH188348A (de) * 1935-12-04 1936-12-31 Geistlich Soehne Ag Verfahren zur Herstellung photographischer Emulsionen.
DD117325A3 (de) * 1969-05-16 1976-01-12
JP2559281B2 (ja) * 1989-12-18 1996-12-04 富士写真フイルム株式会社 ハロゲン化銀写真乳剤およびそれを用いた感光材料
JP2811253B2 (ja) * 1992-04-27 1998-10-15 富士写真フイルム株式会社 医療用写真画像の形成方法
US5763151A (en) * 1997-01-24 1998-06-09 Eastman Kodak Company Robust process for preparing high Br low COV tabular grain emulsions

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EP0922994A2 (de) 1999-06-16

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