WO2012060471A1 - Procédé pour traiter un matériau d'halogénure d'argent photosensible pour hologramme, et hologramme à phase blanchie obtenu à l'aide de ce procédé de traitement - Google Patents

Procédé pour traiter un matériau d'halogénure d'argent photosensible pour hologramme, et hologramme à phase blanchie obtenu à l'aide de ce procédé de traitement Download PDF

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WO2012060471A1
WO2012060471A1 PCT/JP2011/076015 JP2011076015W WO2012060471A1 WO 2012060471 A1 WO2012060471 A1 WO 2012060471A1 JP 2011076015 W JP2011076015 W JP 2011076015W WO 2012060471 A1 WO2012060471 A1 WO 2012060471A1
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silver halide
hologram
bleaching
wavelength
treatment
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PCT/JP2011/076015
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English (en)
Japanese (ja)
Inventor
学 平尾
英太郎 日笠
見手倉　裕文
河田　敏雄
松井　文雄
福田　恵温
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株式会社林原生物化学研究所
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Priority to JP2012541922A priority Critical patent/JPWO2012060471A1/ja
Publication of WO2012060471A1 publication Critical patent/WO2012060471A1/fr

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40—Chemically transforming developed images
    • G03C5/44—Bleaching; Bleach-fixing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • G03H1/182—Post-exposure processing, e.g. latensification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2240/00—Hologram nature or properties
    • G03H2240/10—Physical parameter modulated by the hologram
    • G03H2240/11—Phase only modulation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2260/00—Recording materials or recording processes
    • G03H2260/16—Silver halide emulsion

Definitions

  • the present invention relates to a method for processing a silver halide photosensitive material for holograms, and to a bleached phase hologram which is excellent in light resistance obtained by the processing method and can obtain a high diffraction efficiency even after long-term storage.
  • Silver halide photosensitive materials have the characteristics of high sensitivity and high resolution, and in recent years, researches on the use of silver halide emulsions as high-resolution recording photosensitive materials such as holograms have been conducted.
  • photosensitive materials such as a dichromated gelatin photosensitive material, a photopolymer photosensitive material, and a thermoplastic photosensitive material are known as photosensitive materials used for hologram production. Since silver halide photosensitive materials have higher sensitivity and resolution than other photosensitive materials, they are used in various fields of display, medical, and anti-counterfeit printing (supervised by Junpei Uchiuchi, “Holographic Materials / Application Handbook ”, NTS Corporation, June 2007, first edition issued).
  • a method for producing a hologram using a silver halide photosensitive material a method is known in which a laser light source is used to expose interference light between an object beam and a reference beam, and an amplitude hologram of developed silver is produced by development processing. . Furthermore, this amplitude hologram is used as a bleaching phase hologram by returning the silver developed by the bleaching process to silver halide again. With these treatments, a high diffraction efficiency and a bright hologram can be obtained. However, since the developed silver is returned to silver halide by the bleaching process, the stability of the produced hologram is likely to be deteriorated by light, the light resistance is deteriorated, and the diffraction efficiency is lowered. was there.
  • JP-A-51-25135, JP-A-62-2279, and JP-A-10-149083 include silver chloride and odor. It has been proposed to convert photosensitive silver halides such as silver halide into silver iodide having high photostability. Although light stabilization processing by conversion to silver iodide is considered to be an excellent processing method in terms of work, a conventionally proposed processing method cannot produce a bleaching phase hologram having sufficient light resistance. In order to stably produce a bleaching phase hologram having a high diffraction efficiency even after long-term storage, further improvements are necessary.
  • an object of the present invention is to provide a method for processing a silver halide photosensitive material for producing a bleached phase hologram that is excellent in light resistance and obtains high diffraction efficiency even after being stored for a long period of time, and its processing It is to provide a bleach phase hologram obtained by the method.
  • a development processing step ethylenediaminetetraacetic acid (hereinafter sometimes referred to as “EDTA”) or After sequentially performing a bleaching treatment step using the salt as a bleaching treatment material, and performing a stabilization treatment step using an aqueous potassium iodide solution, the absorbance at a wavelength of 420 nm and the absorbance at a wavelength of 470 nm in a transmission absorption spectrum measurement
  • EDTA ethylenediaminetetraacetic acid
  • a bleaching phase hologram obtained by using the processing method described in 1 or 2 above.
  • the silver halide photosensitive material for holograms used for the processing method of said 1 which has the photosensitive silver halide emulsion layer containing the silver halide grain whose average particle diameter is the range of 10-60 nm.
  • a bleaching phase hologram having excellent light resistance and high diffraction efficiency even when stored for a long time can be produced.
  • a stabilization processing method that can be immersed in an aqueous potassium iodide solution has been established. It can be used very advantageously in the production of bleached phase holograms.
  • FIG. 1 is a particle size distribution diagram of a silver halide emulsion according to the present invention.
  • FIG. 2 is a schematic view of a hologram recording apparatus according to the present invention.
  • FIG. 3 is a schematic diagram of a fringe phase hologram interference fringe recording method and diffraction efficiency measurement method according to the present invention.
  • FIG. 4 is a graph showing the results of a light resistance test of the bleaching phase hologram according to the present invention.
  • FIG. 5 is a transmission absorption spectrum diagram of the bleaching phase hologram according to the present invention.
  • FIG. 6 is a graph showing the effect of the rebleaching treatment on the diffraction efficiency after light degradation of the bleached phase hologram not subjected to the stabilization treatment according to the present invention.
  • the present invention relates to a method for processing a silver halide photosensitive material for holograms and a bleached phase type hologram produced by the processing method.
  • the silver halide photosensitive material for holograms comprises object light and reference light.
  • the silver halide light-sensitive material can record at least one interference fringe, and has at least one silver halide emulsion layer on the support.
  • a silver halide photosensitive material for hologram is usually a silver halide emulsion coated on a support, and is chemically sensitized or spectrally sensitized so as to be sensitive to the oscillation wavelength of laser light used for exposure recording. The ones with the are usually used.
  • the support examples include a glass plate, an acrylic plate, a polyethylene terephthalate film, a polyethylene naphthalate film, a polystyrene film and a triacetyl cellulose film, which are usually used for silver halide photosensitive materials for holograms.
  • a glass plate having no directionality, a polyethylene terephthalate film, or a polyethylene naphthalate film is preferred.
  • the thickness of a support body can be suitably selected by a use and a usage method.
  • the coated silver amount of the silver halide emulsion layer formed on the support is preferably in the range of 1 to 10 g / m 2 , and the amount of the dispersion medium such as gelatin to be coated is in the range of 1 to 10 g / m 2 . Is preferred.
  • the silver / dispersion medium coating amount ratio is usually preferably in the range of 0.1 to 2.0.
  • the coating thickness is usually preferably in the range of 3 to 12 ⁇ m.
  • the silver halide grains contained in the silver halide emulsion layer can be prepared by a known production method. For example, a silver nitrate aqueous solution and a water-soluble halide aqueous solution in a gelatin aqueous solution in a single jet method, a double jet method, or a control double method. It can be mixed and manufactured using a jet method or the like. Among these, silver halides produced by the control double jet method are particularly preferable for controlling the grain size of silver halide.
  • the outer shape of the silver halide grains contained in the silver halide emulsion according to the present invention is preferably a normal crystal, a cube, an octahedron, a rhomboid dodecahedron, a tetrahedron, and a rounded shape thereof.
  • the average particle diameter is preferably 10 to 60 nm, and the emulsion containing silver halide grains having an average particle diameter of 30 to 50 nm is particularly preferable for producing the bleaching phase hologram having high diffraction efficiency of the present invention. .
  • a silver halide emulsion mainly composed of grains having a particle size in the range of 40 to 45 nm produces a bleaching phase hologram that maintains the high diffraction efficiency of the present invention. This is true.
  • the average grain size is smaller than 10 nm, the variation in the grain size of the silver halide grains in the silver halide emulsion is increased, which causes destabilization of the silver halide emulsion, and when the average grain size is larger than 60 nm. In some cases, the desired characteristics cannot be obtained due to light scattering by the particles.
  • the average particle diameter of the silver halide grains means the diameter of the grains when the grains are spherical or approximate to a sphere, and when the grains are cubic, the diameter converted to a sphere can be obtained as the diameter.
  • the Theory of the Photographic Process (The Theory of the World)” by CEK Mees & T. H. James. the photographic process), 3rd edition, pages 36 to 43, 1966, and can be obtained using a transmission electron microscope.
  • the silver halide grains may be any of silver chloride, silver iodide, silver bromide, silver chlorobromide, silver iodobromide, silver chloroiodobromide, and the like. Particularly preferred silver halide grains include silver bromide, silver iodobromide, silver chloroiodobromide, and silver chlorobromide.
  • the silver halide emulsion can be spectrally sensitized with a sensitizing dye so as to match the oscillation wavelength of laser light used for exposure recording.
  • a sensitizing dye examples include the cyanine dye, merocyanine dye, hemicyanine described in Masaaki Hayami, “Sensitive Dye—Mysterious Action and Various Functions”, published on October 17, 1997, pages 12 to 31. And dyes, styryl dyes and hemioxonol dyes. These sensitizing dyes may be used alone or in combination.
  • the sensitizing dye is preferably dispersed and contained in the silver halide emulsion.
  • the sensitizing dye can be added to the silver halide emulsion by a known addition method, for example, dissolved in methyl alcohol, ethyl alcohol, methyl cellosolve, water, acetone, pyridine or a mixed solvent thereof. Thereafter, a method of adding to a silver halide emulsion is mentioned. The timing of addition may be either during the preparation of the silver halide emulsion or after the preparation.
  • the addition amount to the silver halide emulsion is preferably such that the sensitizing dye is contained in an amount of 1 ⁇ 10 ⁇ 4 to 1 ⁇ 10 ⁇ 2 mol per mol of silver in the silver halide grains.
  • a dye that does not exhibit spectral sensitizing action itself may be added simultaneously or individually as a supersensitizing dye.
  • the silver halide emulsion in the present invention can be chemically sensitized, and is added by adding a chemical sensitizer to the halogenated emulsion using a known method.
  • the chemical sensitizer include sulfur sensitizers such as potassium thiocyanate, ammonium thiosulfate, sodium thiosulfate, hypo, thiourea compounds, tin (II) chloride, ascorbic acid and its derivatives, hydrazine derivatives, formamidine.
  • sulfur sensitizers such as potassium thiocyanate, ammonium thiosulfate, sodium thiosulfate, hypo, thiourea compounds, tin (II) chloride, ascorbic acid and its derivatives, hydrazine derivatives, formamidine.
  • reduction sensitizers such as sulfinic acid, silane compounds, and dimethylamine borane
  • gold sensitizers such as chloroaurate.
  • gelatin As a dispersion medium for protective colloid of silver halide grains, gelatin is preferably used.
  • gelatin include acid-treated ones, alkali-treated ones, low-molecular gelatins having a low molecular fraction, and chemically-treated gelatins such as phthalated gelatin.
  • pullulan derivatives such as acetylated pullulan and bi-charged pullulan
  • hydrophilic properties such as albumin, casein, hydroxycellulose, carboxymethylcellulose, sodium alginate, polyvinyl alcohol, polyacrylic acid, polymethacrylic acid and polyacrylamide
  • the polymer can be used in combination with gelatin as a hydrophilic colloid or can be used alone.
  • the silver halide photosensitive material for hologram used in the present invention includes chromium salts, aldehydes, N-methylol compounds, dioxane derivatives, active vinyl compounds, active halogen compounds, mucosates as hardeners on the silver halide emulsion layers.
  • Use hardeners such as halogen acids, isoxazoles, dialdehyde starch, 2-chloro-6-hydroxytriazinylated gelatin, carboxyl group-activated hardener alone or in combination of two or more. Can do.
  • the silver halide emulsion layer of the silver halide light-sensitive material for hologram used in the present invention includes, in addition, Research Disclosure 17643 (issued in December 1978), Research Disclosure 18716 (December 1989), Research Disclosure 308119. (December 1989) can be used in the industry known additives and the like.
  • silver halide photosensitive material for hologram used in the present invention
  • a commercially available silver halide photosensitive material for hologram can also be used.
  • Commercially available silver halide photosensitive materials for holograms include a silver halide photosensitive material for holograms manufactured by Konica Minolta Opto (trade name “P5600”), and a silver halide photosensitive material for holograms manufactured by Slavich ( Product names “PFG-01”, “PFG-03M”, “PFG-03C”), silver halide photosensitive materials for holograms manufactured by Colorholographics (trade names “BB640”, “BB520”, “BBVPan”) ]).
  • an aqueous potassium iodide solution was used after exposure, a development processing step, a bleaching processing step using ethylenediaminetetraacetic acid or a salt thereof as a bleaching processing material. It is preferable to carry out a stabilization treatment step, followed by washing and drying treatment steps.
  • Suitable laser beams include an Nd-YAG laser with a wavelength of 532 nm, an argon laser with a wavelength of 514.5 nm or 488 nm, a krypton ion laser with a wavelength of 647.1 nm, a helium-neon laser with a wavelength of 632.8 nm, a wavelength of 441.6 nm or 325 nm. Helium-cadmium laser and various semiconductor lasers.
  • the developer used for the development processing is a processing solution mainly containing a developing agent that reduces silver ions
  • the developing agent includes hydroquinone, p-aminophenol, N-methyl-p-aminophenol, P-aminophenols such as 2,4-diaminophenol, p-phenylenediamines, 1-phenyl-3-pyrazolidone, 1-phenyl-4-methyl-4-hydroxymethyl-3-pyrazoline, 5,5-dimethyl Reducing agents such as 3-pyrazolidones such as -1-phenyl-3-pyrazolidone, catechol, phenidone, pyrogallol, ascorbic acid, and metol can be used.
  • a preservative can be used in the developing solution.
  • the preservative include sulfites such as sodium sulfite, potassium sulfite, ammonium sulfite, and sodium metabisulfite, metabisulfite, piperidinohexose concentrate. Reductons such as ductons can be mentioned.
  • an alkali agent can be used in the developer, for example, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, tribasic potassium phosphate, tribasic sodium phosphate, borate, acetoxime, 5- Examples include sulfosalicylic acid, phosphate, and carbonate.
  • dissolution aids such as polyethylene glycol, sensitizers such as quaternary ammonium salts, silver sludge inhibitors such as sulfides, disulfide compounds and triazine compounds, antifoggants such as sodium bromide, potassium bromide and potassium iodide
  • a chelating agent such as sodium hexametaphosphate, calcium hexametaphosphate, polyphosphate, a development accelerator, a surfactant, a foam saving agent, a hardener, and the like can be appropriately added as necessary.
  • the pH of the developer is adjusted to 8.0 to 12.0, and more preferably 9.0 to 11.5. Further, the temperature during the development processing is also important, and the processing is usually performed in the range of 10 to 45 ° C. More preferably, the immersion treatment is performed in the developer at a constant temperature in the range of 20 to 30 ° C.
  • the development processing time is approximately 20 seconds to 4 minutes.
  • an acidic solution that uses an acidic solution to shift the developer to the acidic side is used.
  • it is treated with an acetic acid aqueous solution.
  • an aqueous acetic acid solution is used, an aqueous solution having a concentration in the range of 0.5 to 5% by mass is used.
  • the processing temperature in the stop processing is usually in the range of 10 to 45 ° C. as in the development processing. More preferably, the treatment is performed at a constant temperature in the range of 20 to 30 ° C.
  • the bleaching solution after the development processing uses ethylenediaminetetraacetic acid or a salt thereof as a bleaching processing material.
  • the salt of ethylenediaminetetraacetic acid include sodium ethylenediaminetetraacetate, ethylenediaminetetraacetic acid-iron (III) sodium, and the like.
  • other bleaching treatment materials used for the bleaching treatment for example, sodium dichromate, parabenzoquinone, ferric nitrate and the like can be used.
  • the bleaching solution appropriately contains a bleach accelerator such as a halogen compound, a thiourea derivative, and a thioether, a preservative, a pH buffer, a pH adjuster, and a chelating agent. be able to.
  • the pH of the bleaching solution is 2.0 to 6.0, preferably 2.5 to 5.5.
  • the bleaching treatment temperature is preferably in the range of 10 to 45 ° C., and the immersion treatment is preferably performed in the bleaching treatment solution, and more preferably the treatment temperature is in the range of 20 to 30 ° C. at a constant temperature.
  • the processing time is approximately 20 seconds to 4 minutes.
  • the treatment method of the present invention performs a stabilization treatment using an aqueous potassium iodide solution.
  • a stabilization treatment of immersing in an aqueous potassium iodide solution is performed.
  • the concentration of the aqueous potassium iodide solution is as follows: the thickness of the silver halide emulsion layer formed on the support of the silver halide photosensitive material for hologram used, the amount of silver contained in the silver halide emulsion, It is necessary to appropriately adjust the concentration of the stabilizing treatment solution, the treatment temperature, and the treatment time depending on the ratio of gelatin and the type of silver halide grains. For example, as shown in FIG.
  • the condition that the absorbance at a wavelength of 420 nm corresponding to the absorption wavelength of silver iodide is 2 or more than the absorbance at a wavelength of 470 nm.
  • the concentration is preferably 1.5 to 10% by mass, and the concentration range of 5 to 10% by mass is particularly preferable.
  • the treatment time for immersing in the potassium iodide aqueous solution is in the range of 2 to 10 minutes, and the treatment temperature is usually in the range of 10 to 45 ° C. More preferably, the treatment is performed at a constant temperature within a treatment temperature range of 20 to 30 ° C.
  • Stabilization treatment may not be able to obtain light resistance if the conditions are insufficient, and if the treatment is carried out excessively, interference fringes will be lost and diffraction efficiency will be reduced, resulting in a desirable bleached phase hologram. Disappear.
  • the bleaching phase hologram produced by the above appropriate processing method has a difference between the absorbance at the wavelength of 420 nm and the absorbance at the wavelength of 470 nm of at least 2 and more preferably 2.5 or more when the transmission absorption spectrum is measured as described above. It becomes a bleaching phase hologram with a difference, and although it has a slightly yellowish color, a bright bleaching phase hologram that does not substantially absorb in the visible region having a wavelength of 450 nm or more can be produced.
  • FIG. 2 shows a schematic diagram of an apparatus for exposure recording on the above-mentioned hologram silver halide photosensitive material
  • FIG. 3 shows a recording method of a silver halide photosensitive material in which a silver halide emulsion is coated on a glass plate.
  • the silver halide photosensitive material for hologram coated with the silver halide emulsion is placed at the position of the dry plate holder H 1 in FIG.
  • the silver halide photosensitive material for hologram in which a silver halide emulsion is coated on a glass plate has a silver halide emulsion layer on the side on which recording light is incident.
  • the laser beam of an Nd-YAG laser having a wavelength of 532 nm was divided into two light beams and incident at an intersecting angle of 32 °, and recording was performed with 1000 interference fringes / mm.
  • Bleaching treatment was performed by immersing in a bleaching treatment solution prepared as an aqueous solution. After washing with water, 5 g of potassium iodide was dissolved in pure water and subjected to a stabilization treatment of immersing in an aqueous solution of 5% potassium iodide having a concentration of 100 ml for 10 minutes, followed by washing with water and drying to produce a bleached phase hologram.
  • the absorbance at a wavelength of 420 nm and the absorbance at a wavelength of 470 nm there is a difference between the absorbance at a wavelength of 420 nm and the absorbance at a wavelength of 470 nm, that is, the absorbance at 420 nm of the absorption wavelength of silver iodide is at a wavelength of 470 nm.
  • the bleaching phase hologram of the present invention is extremely useful for a bleaching phase hologram that may be slightly yellowish and does not stick to color. Further, the bleaching phase hologram having excellent light resistance according to the present invention can be used as a hologram recording original plate to be exposed and transferred to other recording materials.
  • a bleaching phase hologram (Comparative Example 1: EDTA bleaching prescription) that is not subjected to a stabilization treatment with an aqueous potassium iodide solution after a bleaching treatment using ethylenediaminetetraacetic acid-sodium iron (III) as a bleaching treatment material;
  • the processing methods EDTA bleaching + KI (potassium iodide) stabilization processing
  • the bleaching processing materials are changed and the conventionally proposed bleaching shown below.
  • Bleached phase holograms (Comparative Examples 2 to 5) treated with a treating agent were similarly evaluated.
  • Comparative Example 1 EDTA bleaching formulation Ethylenediaminetetraacetic acid-iron (III) sodium 15 g Sodium hydrogen nitrate 15g Potassium bromide 15g Make up to 500 mL with pure water.
  • Comparative Example 5 EDTA (KI) bleaching formulation Ethylenediaminetetraacetic acid-iron (III) sodium 15 g Sodium hydrogen sulfate 15g Potassium iodide 21.5g Make up to 500 ml with pure water.
  • the bleaching phase holograms of the comparative examples all have a diffraction efficiency of less than 55% immediately after production (see Table 1), which is inferior to the bleaching phase hologram of the present invention that has been subjected to stabilization treatment. As shown, the diffraction efficiency after 300 hours when the light resistance test was performed was not sufficient.
  • the thickness of the silver halide emulsion layer formed on the support of the silver halide photosensitive material for hologram used used, the amount of silver contained in the halide emulsion, the ratio of silver / dispersion medium, and silver halide grains
  • the treatment conditions may be considered as appropriate, but a stabilization treatment with an aqueous potassium iodide solution is performed as a series of treatments following the bleaching treatment step using ethylenediaminetetraacetic acid-sodium iron (III) as a bleaching treatment material.
  • the bleached phase hologram produced is a bleached phase hologram with excellent light resistance and high diffraction efficiency. It was confirmed to be a lamb.
  • a bleaching phase hologram having excellent light resistance and high diffraction efficiency that can be stored for a long period of time can be obtained.
  • a hologram used in various fields of display, medical, or anti-counterfeit printing, and furthermore, a high-efficiency hologram grating element, dichroic filter, dichroic mirror, hologram reflector, hologram condensing element / diffusion element Or as a color filtering element.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Holo Graphy (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Abstract

La présente invention vise à procurer un procédé pour traiter un matériau d'halogénure d'argent photosensible qui est utilisé pour produire un hologramme à phase blanchie qui a une excellente résistance à la lumière et par lequel un rendement de diffraction élevé peut être obtenu même après un stockage à long terme, et à procurer un hologramme à phase blanchie qui est obtenu à l'aide de ce procédé de traitement, lequel a une excellente résistance à la lumière et par lequel un rendement de diffraction élevé peut être obtenu. A cet effet, l'invention porte sur un procédé pour traiter un matériau d'halogénure d'argent photosensible pour un hologramme de façon à obtenir un hologramme à phase blanchie dans lequel la différence entre le facteur d'absorption à une longueur d'onde de 420 nm et le facteur d'absorption à une longueur d'onde de 470 nm est de 2 ou plus dans une spectrométrie de transmission/absorption. Le procédé de traitement comprend une étape consistant à exposer le matériau d'halogénure d'argent photosensible pour un hologramme, lequel a une couche d'émulsion d'halogénure d'argent qui contient une émulsion d'halogénure d'argent photosensible sur un corps de support, à la lumière, à réaliser un traitement de développement, puis un traitement de blanchiment à l'aide d'acide éthylènediaminetétraacétique ou d'un sel de celui-ci comme matériau de traitement de blanchiment, puis à réaliser une étape de traitement de stabilisation à l'aide d'une solution aqueuse d'iodure de potassium.
PCT/JP2011/076015 2010-11-05 2011-11-04 Procédé pour traiter un matériau d'halogénure d'argent photosensible pour hologramme, et hologramme à phase blanchie obtenu à l'aide de ce procédé de traitement WO2012060471A1 (fr)

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JPH10149084A (ja) * 1996-11-19 1998-06-02 Konica Corp ホログラム用ハロゲン化銀写真感光材料
JP2004219435A (ja) * 2003-01-09 2004-08-05 Konica Minolta Holdings Inc ホログラム用ハロゲン化銀写真感光材料、ホログラム作製方法及びホログラム作製システム

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Publication number Priority date Publication date Assignee Title
JPH09251199A (ja) * 1996-03-15 1997-09-22 Konica Corp 透過型ホログラム用ハロゲン化銀感光材料及びその画像形成方法
JPH103250A (ja) * 1996-06-14 1998-01-06 Konica Corp ホログラム用ハロゲン化銀写真感光材料及びその処理方法
JPH10123643A (ja) * 1996-10-21 1998-05-15 Konica Corp ホログラム用ハロゲン化銀写真感光材料
JPH10149083A (ja) * 1996-11-18 1998-06-02 Konica Corp ホログラム用ハロゲン化銀写真感光材料
JPH10149084A (ja) * 1996-11-19 1998-06-02 Konica Corp ホログラム用ハロゲン化銀写真感光材料
JP2004219435A (ja) * 2003-01-09 2004-08-05 Konica Minolta Holdings Inc ホログラム用ハロゲン化銀写真感光材料、ホログラム作製方法及びホログラム作製システム

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