US3844789A - Composite film elements - Google Patents

Composite film elements Download PDF

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Publication number
US3844789A
US3844789A US00068560A US6856070A US3844789A US 3844789 A US3844789 A US 3844789A US 00068560 A US00068560 A US 00068560A US 6856070 A US6856070 A US 6856070A US 3844789 A US3844789 A US 3844789A
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Prior art keywords
print
layer
image
developing
light
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Expired - Lifetime
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US00068560A
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J Bates
F Farren
J Sklute
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GAF Corp
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GAF Corp
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Priority to GB00295/68A priority Critical patent/GB1184063A/en
Priority to BE711674D priority patent/BE711674A/xx
Priority to FR1556083D priority patent/FR1556083A/fr
Priority to DE19681622933 priority patent/DE1622933A1/de
Priority to CH328268A priority patent/CH507535A/de
Application filed by GAF Corp filed Critical GAF Corp
Priority to US00068560A priority patent/US3844789A/en
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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
    • G03C1/49—Print-out and photodevelopable 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/805—Photosensitive materials characterised by the base or auxiliary layers characterised by stripping layers or stripping means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/095—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having more than one photosensitive layer
    • G03F7/0952—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having more than one photosensitive layer comprising silver halide or silver salt based image forming systems, e.g. for camera speed exposure

Definitions

  • K N .2 .m 6m T mum A are JFJ PATENTEUMZI 2 I974 SHEETBNZ Exposure -4 Print out Erhulsion Film Bose Fig. 6A.
  • the present invention relates in general to photography and in particular to composite film elements and process for using same beneficially adapted for use in photo reproduction applications involving the formation of images of both print-out and developing-out types.
  • a considerable number of photo reproduction techniques currently enjoying widespread use involves as an essential step the initial formation of a visually comprehensible image photolytically, i.e., image formation results, substantially, immediately, from the direct effects of the exposure radiation.
  • Such processes are commonly referred to as print-out techniques in contradistinction to the so-called developing-out techniques, the latter requiring treatment of the latent-imagebearing exposed element with a photographic devel oper composition in order to provide the visible image.
  • Print-out image reproduction processes have found particularly beneficial application in photographic reproduction systems connected with the reproduction,
  • the apparatus employed in carrying out the latter technique comprises a punch-key type device provided with a plurality of keys each being correlated with a distinct form of image character.
  • the image character represented thereby appears in the form of a corresponding light image, the positioning and focussing of which may be readily controlled by the operator, suitable means being provided for such purposes.
  • engineering drawings for example, can be readily composed photographically in typewriter fashion by merely activating the particular key in question and fcussing the corresponding light image upon a suitable photo-sensitive material.
  • the print-out material be possessed of a high order of actinic response, i.e., speed, in order to be capable of providing a visual image immediately upon exposure to actinic radiation and absent any necessity for ancillary operations, treatments, etc., designed to augment image quality, ease of visual comprehension and the like.
  • Attempts to impart the required speed characteristics to the print-out material have tended to correspondingly aggravate the problems associated with image stability, i.e., it has been found in general that significant increases in print-out speed are invariably attended by intolerable increase in fog characteristics, loss of density, contrast, etc.
  • print-out materials extends, in general, to most any photo reproduction technique requiring as an essential operative step the formation of proof-copy, Le, a copy which may be visually examined substantially immediately upon exposure in order to assess reproduction quality, accuracy, etc.
  • the processor may evaluate the sensitometric characteristics of one or more of the exposure parameters, ,e.g., intensity, exposure duration, etc., in order to assure the attainment of optimum reproduction characteristics in the image.
  • the exposure parameters e.g., intensity, exposure duration, etc.
  • a primary object of the present invention resides in the provision of a composite photographic film element capable or producing images of both the printout and developing-out type wherein the aforedescribed disadvantages are eliminated or at least mitigated to a substantial extent.
  • Another object of the present invention resides in the provision of a composite photographic film element and method for employing same which permits the obtention with a single exposure of. both a visible image and a latent image, the latter being readily capable of forming a permanent visible image by subsequent development.
  • a further object of the present invention resides in the provision of a composite photographic element comprising developing-out and print-out light layers capable of providing permanent image copy characterized by superior reproduction quality, i.e., density, contrast and the like.
  • a still further object of the present invention resides in the provision of a composite photographic film element which can be readily processed to provide a permanent image having outstanding stability and useful life.
  • a composite film element comprising a base and having disposed thereupon two light sensitive layers one of said layers comprising a light sensitive print-out silver halide composition capable of yielding, photolytically, a visible image immediately upon exposure to actinic radiation, said other layer comprising a light sensitive substance which forms a latent image of the develop ing-out type upon exposure to actinic radiation, said image being capable of being rendered visible by treatment with a photographic developer composition.
  • a further aspect of the present invention includes the method of processing such materials whereby to obtain permanent image copy of exceptional reproduction quality.
  • the light sensitive print-out emulsions contemplated for use in accordance with the present invention comprise in general those of the silver halide type and within this delimited classification encompass a relatively wide range of materials.
  • Such silver halide emulsion materials are well known in the art, the connotation print-out" being art-recognized nomenclature, and generically includes those silver halides whose photolytic reaction includes the substantially immediate formation of visible species.
  • an image-wise illumination i.e., photographic exposure
  • photographic exposure are capable of forming visible deposits in the light affected areas absent the necessity of further treatment, i.e., photographic development.
  • print-out silver halide emulsions of the aforedescribed type and in particular ammoniacal silver bromoiodide emulsions obtained through the reprecipitation of silver chlorobromide emulsions during the after-ripening step are found to the exclusion of other silver halide types not only to readily deposit photolytic silver upon subjection to actinic radiation but, in addition, to provide print-out image reproductions having an exceptional degree of photographic quality as well as stability.
  • FIGS. 1 to 6 of the accompanying drawings represent several structural arrangements of the print-out and developing-out layers found to be highly effective for use herein and wherein like reference numerals and letters designate like parts.
  • FIG. 1 illustrates a relatively simple structural arrangement wherein the oppositely disposed surfaces of a suitable film base material 1 are provided respectively with a developing-out or negative emulsion 2 and a stripping layer 3, the latter being overcoated with a print-out emulsion 4.
  • a suitable film base material 1 is provided respectively with a developing-out or negative emulsion 2 and a stripping layer 3, the latter being overcoated with a print-out emulsion 4.
  • the base material and stripping layer be transparent to the exposure radiation in order to permit the latter to impinge image-wise upon each of the print-out and developing-out emulsions.
  • the stripping layer 3 may be prepared with any of the conventional materials promulgated in the art for such purposes and usually comprises a film forming organic colloid, polymeric material, etc., soluble at neutral and- /or alkaline pH with typical representatives including, for example, and without necessary limitation gelatin, PVP (polyvinyl pyrrolidone), PVA (polyvinyl alcohol), carboxymethyl cellulose, gum arabic and the like.
  • the nature of the base material selected for use is likewise not a critical factor in the practice of the present invention and again, may be any of the customary materials described in the art for such use including, for example, film forming synthetic polymeric materials such as polycarbonate, polyester, etc., cellulose, cellulose acetate, cellulose acetate butyrate, etc., as well as transparentized fibrous supports in which the transparentizing is achieved by mechanical treatment such as extended heating or a chemical treatment for instance impregnation with mineral spirits which are high boiling solvents of the petroleum family; or with solutions of polypropylene.
  • film forming synthetic polymeric materials such as polycarbonate, polyester, etc., cellulose, cellulose acetate, cellulose acetate butyrate, etc.
  • transparentized fibrous supports in which the transparentizing is achieved by mechanical treatment such as extended heating or a chemical treatment for instance impregnation with mineral spirits which are high boiling solvents of the petroleum family; or with solutions of polypropylene.
  • the-printout material preferred for use herein comprises in general silver halide emulsions of the ammoniacal type with ammoniacal reprecipitated bromoiodide emulsions being particularly preferred.
  • Emulsions of this type are well known in the art and can be readily prepared according to well known techniques. in this regard, reference is made to the emulsion materials described in U.S. Pat. Nos. 3,039,871; 3,047,392; 3,109,737 and 3,123,474.
  • developing-out layer 4 may comprise a dichromate sensitized gelatin which may include as optional ingredients a suitable pigment for purposes of enhancing contrast in the final relief image or alternatively, may include minor quantities of a silver halide emulsion material.
  • developingout layer 4 may comprise a photosensitive polymer or polymer-forming composition, i.e., one which undergoes a photolytically induced polymerication or hardening reaction when subjected to actinic radiation.
  • the language developing-out as used herein is intended to connote in general those photographic systems wherein a distinct operation is necessary for the obtention of the desired image and supplemental to the exposure step.
  • the developing operation may be physical, chemical, etc., in nature, i.e., such emulsion may be of the tanning type wherein image formation results from a light-induced change in solubility characteristics and thus a mere wash-out operation suffices for purposes of defining the ultimate image, as with the dichromate type of emulsion systems.
  • any other emulsion system which relies for operability upon the utilization of a solvent-removal step such elements may be processed simply by treating the exposed emulsion layer following exposure with a substance which exhibits a selective solvent action for either the exposed or unexposed areas.
  • the image thus obtained is defined in terms of raised and non-raised areas.
  • suitable photopolymer systems are comprised of one or more monomeric substances commonly referred to in the art as vinyl-type monomers further containing a substance which is capable of liberating polymerization-initiating species when subjected to the photolytic effects of exposure radiation.
  • Light sensitive photopolymer systems found to be highly efficacious in this regard are those described, for example, in U.S. Pat. Nos. 3,101,270; 3,041,172; 3,234,021 and 3,050,390.
  • light sensitive diazo compounds envisage the use of light sensitive diazo compounds as the developing-out layer.
  • the light sensitive diazo system may be adapted to either wet or dry processing.
  • wet processing diazotype materials encompass those wherein the diazo coupling component is included as an ingredient in the developer 6 composition; in contradistinction, dry processing diazotype materials encompass those wherein each of the diazo and coupling components is present in the emulsion composition, image formation being brought about by subjecting the exposed element to an alkaline environment.
  • the developing-out layer 2 may be adapted to provide either a positive or negative reproduction of the original, i.e., may be either a negative-working or positive-working emulsion.
  • beneficial results may be readily obtained with the use of autopositive emulsions such as those which utilize the Herschel effect for reversal. Representative emulsions of this type are described for example in U.S. Pat. No. 2,857,273 and on page 216 of Glafkides book Photographic Chemistry.
  • the present invention may likewise be implemented to exceptional advantage by the employment of a light sensitized, electrostatic composition as the developingout layer 2.
  • a light sensitized, electrostatic composition as the developingout layer 2.
  • Representative of the light sensitive electrostatic compositions contemplated for use herein are those comprising a photoconductor material, e.g., zinc oxide dispersed uniformly throughout a suitable resin binder.
  • a photoconductor material e.g., zinc oxide dispersed uniformly throughout a suitable resin binder.
  • Composite film elements of this type can be readily processed by imparting an electrical charge to the electrostatic layer prior to actinic exposure.
  • the electrostatic layer When subjected to an image-wise light pattern, the electrostatic layer undergoes an image-wise attrition, i.e., charge decay in accordance with the point to point intensity of the incident exposure radiation. Visible image formation is thereafter obtained by treating the thus exposed element with a suitable toner powder or other coloring agent.
  • image-wise attrition i.e., charge decay in accordance with the point to point intensity of the incident exposure radiation.
  • Visible image formation is thereafter obtained by treating the thus exposed element with a suitable toner powder or other coloring agent.
  • the developing-out and print-out emulsions may likewise be coated on the same side of the base support, said layers being separated by and in contact with a stripping layer in order to expedite physical removal, i.e., stripping of the print-out emulsion layer 4 from the composite film element.
  • a stripping layer in order to expedite physical removal, i.e., stripping of the print-out emulsion layer 4 from the composite film element.
  • FIG. 2 Such a structural arrangement is illustrated in FIG. 2. It will be understood, of course, that such an embodiment obviates the necessity of employing a base material which is transparent to the exposure radiation, i.e., such material may contain a pigment, dye or other colorant.
  • the composite film elements of the present invention may be employed to particular advantage in connection with the photocomposing drafting procedure, colloquially known as the so-called Mergenthaler Method, the latter method providing exceptional means for the reproduction of engineering drawings or other structural illustrations involving representation of various image characters, designs, indicia and the like.
  • a film element of the type described herein would be suitably positioned in the exposure apparatus to receive the imaging radiation.
  • the operator successively activates as required one of the punch keys whereby a light pattern corresponding to the image character represented by such punch key is focussed upon print-out emulsion 4.
  • Such image appears substantially immediately in the form of a visible deposit of photolytic silver.
  • the exposure light energy simultaneously impinges upon the corresponding subjacent portions of developing-out emulsion 2 whereby to form a latent image therein. Since the operator can thus visually discern the photographic reproduction of the image character, he is readily able to precisely determine relative to such image, the exact situs of the next succeeding image character.
  • This sequence of operations is, of course, repeated until such time as all of the required information is reproduced in print-out emulsion 4.
  • a permanent image is then obtained in developing-out emulsion 2 by subjecting same to the required developing operation; i.e., solvent removal of nonexposed areas in the case of photopolymer or tanning emulsion systems, treatment with a suitable toner or other coloring agent in the case of an electrostatic layer, etc.
  • the print-out emulsion layer 4 can be physically removed from the composite film element either prior to or subsequent to the developing operation as desired. However, it is to be understood that the physical removal of the print-out layer is optional. In either case, the remaining developed-out emulsion'layer provides the dominant and permanent image copy.
  • a still further embodiment of the present invention eliminates entirely any necessity for the use of a stripping layer positioned so as to physically separate the print-out and developing-out layers.
  • FIGS. 3, 4, and 5 These structural embodiments are illustrated in FIGS. 3, 4, and 5.
  • the print-out image layer may be dispensed with subsequent to formation of the permanent image in developing-out layer 2. This, of course, can be accomplished in the manner described i.e., by physically stripping the print-out layer from the composite film element. However, this correspondingly circumscribes possible variations in the relative physical arrangement of layers since the requirement is imposed that each of the printout and stripping layers be positioned outwardly of the developing-out layer.
  • the permanent, i.e., developing-out image allows the permanent, i.e., developing-out image to be retained intact upon the base support.
  • the element carrying the permanent image layer lacks to a substantial extent the requisite structural stability and exhibits a distinct tendency to curl or otherwise assume an arcuate configuration along its length, interfering with ease of processing.
  • the ammoniacal type silver halide emulsions contemplated for use herein possess the singular advantage that the photolytic silver images deposited therein may be readily removed after fixing and washing by a simple silver bleaching treatment.
  • a suitable silver bleaching solution including a potassium ferricyanide, potassium bichromate or any of the conventional silver bleach solutions promulgated in the art for such purposes.
  • This bleach treatment does not impair the quality of the permanent developed-out image which has a much higher image density.
  • the gelatin layer which earlier contained the print-out image may be retained without any risk of image distortion.
  • the bleached print-out layer serves to promote structural stability of the composite film element by serving as an anti-curl layer and thus to offset substantially any curling tendency exhibited by the developing-out image layer.
  • FIG. 6A depicts a relatively simple arrangement of developing-out and print out emulsions disposed on opposite sides of a translucent film base. This particular film base corresponds to that illustrated in FIG. 3.
  • FIG. 6A represents the appearance of the film element at the outset of the exposure, the latter being effected by means of light source 5 through a light slit 7 provided in a metal shield 6.
  • the exposure radiation produces a relatively low-density image 7a of the slit 7 in printout emulsion layer 4 and a latent image 7b of slit 7 in developing-out emulsion layer 2.
  • FIG. 6C represents the exposed element following development and fixing whereby to provide a visible image 7b of slit 7 in layer 2.
  • the light-sensitive element does not include a stripping layer.
  • this particular structural embodiment is preferred since it leads to the provision of a final photographic film element characterized by improved structural integrity.
  • FIG. 6D depicts the element subsequent to treatment with a chemical reducer which functions to bleach print-out image 7a thus rendering same nonvisible. Following chemical reducer treatment, i.e., bleaching, there is obtained only developedout image 7b which represents a strong transmission image of light slit 7.
  • the salient advantage of photographic elements devoid of stripping layers relates to the fact that upon bleaching of the print-out emulsion layer, such layer is retained in its entire physical extent as an integral part of the photographic element and functions as an anti-halation layer thereby promoting structural stability of the film element.
  • EXAMPLE A film corresponding to FIG. 3 is prepared by first coating a subbed polyester film base on one side with a developing-out emulsion prepared in the following manner. The following solutions are provided.
  • Part I 104 liters Gelatin 20.0 grams Part 1A H O 250.0 ml
  • Solution 1A is added to solution I followed by solution 18 temperatures at 48C. After a short pause, solutions IC, 11A, and 11B are added and the resultant emulsion digested for 30 minutes at 48C. The resultant silver halide emulsion is precipitated with a 50 percent aqueous ammonium sulfate solution washed 3 times with a 1.8 liters of water and cooled to 25C. The gelatin (V1) is now added. The emulsion is warmed to 42C and the following ingredients added in succession:
  • the emulsion is ripened for 6 minutes at 48C. At the end of the ripening period, 30 ml of a 10% CdCl are added.
  • the emulsion is coated at sufficient thickness to yield a silver coating weight of about 3.5 grams per square meter.
  • Solution A 200.0 grams Solution A is added within 2 minutes to solution 1. After a pause of about 5 minutes, solution 111 is dumped into the mixture. After minutes holding, the emulsion is precipitated with 3 liters of a 50% ammonium sulfate solution and cooled to 25C and decanted to 4 liters, after which it is washed twice with 8.0 liters water and decanted to 4 liters.
  • this print-out emulsion is coated so as to provide a silver coverage of about 3.2 grams per square meter. Since neither the print-out emulsion nor the develop-out emulsion is optically sensitized, all manufacturing operations as well as coating are carried out under bright red safelight conditions.
  • the aforedescribed coated element is arranged in a suitable holder.
  • An opaque metal shield bearing a narrow slit is positioned against and in contact with the print-out emulsion layer. Exposure is effected by means of a Hanovia No. r-P-ll high intensity mercury arc lamp, the latter being positioned approximately 1 inch from the print-out emulsion surface. With an exposure duration of about 2 seconds a strong negative print-out image corresponding to light passing through the slit is readily visible on the print-out emulsion.
  • This print image is measured by reflection with a GAF Micro Densitometer and found to have a maximum reflection density of 1.20 in the area where the line is exposed compared to a reflection density of about 0.50 for the print-out emulsion in unexposed areas. There thus resulted a line image with a net reflection density of about 0.70 which is readily visible even when viewed through a red safelight. Additional line or character images could then be exposed on the same sheet in any pattern required to yield a photo drawing. These line images exposures produced no visible effect on the develop-out emulsion.
  • the entire film is developed for 2 minutes at 68E in GAF Reprodol" Developer, fixed 5 minutes in GAF Surfix fixer, washed 10 minutes, and dried.
  • This development produced a strong negative image in the develop-out layer.
  • the line image shows a maximum transmission density in excess of 3.5 and with a fog density of approximately 0.05.
  • the developing step also produces a weak negative transmission density of about 0.10 in the print-out image on the opposite side of the base. Fog density of the unexposed but developed and fixed print-out emulsion is very low (i.e., less than 0.05).
  • the developed and fixed film thus, yields a very high contrast, high quality, permanent silver image in the develop-out emulsion.
  • This treatment is found to remove all but traces of the image in the developed print-out layer, but does not visibly degrade the high density of the image on the develop-out side.
  • the transmission density of this image remains in excess of 3.0.
  • a gel stripping layer is prepared as follows:
  • the above solution is coated over the film base with sufficient coverage to provide a dry thickness of l to 2 microns.
  • the print-out emulsion may be directly applied.
  • the material bearing the stripping layer When the material bearing the stripping layer is processed, it is given conventional development as in GAF Reprodol for 2 minutes, then is fixed in GAF Surfix fixer compounded without its hardener additive. After 5 minutes immersion in the non-hardening fixer, the film is placed in warm running water for a few minutes. This will cause the stripping layer to swell and run off but does not harm the develop-out emulsion. After drying the film will be found to bear a developed-out image on the develop-out emulsion with no interfering image on the print-out side.
  • a composite film element adapted for the recording of images photographically comprising a base having thereon two light-sensitive layers, one of said layers comprising a light-sensitive print-out silver halide emulsion of the ammoniacal type capable of yielding, photolytically, a visible image immediately upon exposure to actinic radiation, and the other of said layers comprising a light-sensitive developing-out composition capable of forming a latent non-visible image upon exposure to actinic radiation, said image in the latter layer being capable of being rendered visible by a post exposure development operation of a chemical nature, and wherein said print-out layer and said developingout layer are disposed on opposite sides of the film base, and wherein a stripping layer is provided intermediate said print-out layer and said base.
  • a composite film element adapted for the recording of images photographically comprising a base having thereon two light-sensitive layers, one of said layers comprising a light-sensitive print-out silver halide emulsion of the ammoniacal type capable of yielding, photolytically, a visible image immediately upon exposure to actinic radiation, and the other of said layers comprising a light-sensitive developing-out composition capable of forming a latent non-visible image upon exposure to actinic radiation, said image in the latter layer being capable of being rendered visible by a post exposure development operation of a chemical nature, and wherein said print-out layer and developing layer are disposed on the same side of the film base, said print-out layer being positioned outwardly of said developing-out layer, and wherein a stripping layer is provided intermediate said print-out layer and said developing-out layer.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
US00068560A 1967-03-06 1970-08-31 Composite film elements Expired - Lifetime US3844789A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB00295/68A GB1184063A (en) 1967-03-06 1968-03-04 Improvements in or relating to Photographic Reproduction and to Composite Film Elements Therefor
BE711674D BE711674A (en)) 1967-03-06 1968-03-05
FR1556083D FR1556083A (en)) 1967-03-06 1968-03-05
DE19681622933 DE1622933A1 (de) 1967-03-06 1968-03-05 Mehrschichtiger Film,der zur Aufzeichnung photographischer Bilder geeignet ist
CH328268A CH507535A (de) 1967-03-06 1968-03-06 Photographisches Reproduktionsverfahren und mehrschichtiger Film zu dessen Ausführung
US00068560A US3844789A (en) 1967-03-06 1970-08-31 Composite film elements

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US62103367A 1967-03-06 1967-03-06
US00068560A US3844789A (en) 1967-03-06 1970-08-31 Composite film elements

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US3844789A true US3844789A (en) 1974-10-29

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Cited By (4)

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US4188215A (en) * 1975-11-17 1980-02-12 Fuji Photo Film Co., Ltd. Photosensitive printing plate, method of preparing same, and method of processing same
US4256825A (en) * 1976-05-14 1981-03-17 Gaf Corporation Photographic element and photographic record prepared therefrom
US5591560A (en) * 1995-12-07 1997-01-07 Fehervari; Agota F. Image-receiving element for diffusion transfer photographic and photothermographic film products
US20050106484A1 (en) * 2003-11-17 2005-05-19 Gerard Gomes Image-receiving element

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Publication number Priority date Publication date Assignee Title
GB1583033A (en) * 1976-05-14 1981-01-21 Gaf Corp Method of exposing and developing a photographic element
JPS5965838A (ja) * 1982-10-07 1984-04-14 Dainippon Screen Mfg Co Ltd 多層構造を有する感材およびその製版方法
NL8500455A (nl) * 1985-02-18 1986-09-16 Philips Nv Werkwijze voor het vervaardigen van een halfgeleiderinrichting, waarbij een fotolakmasker wordt gevormd met behulp van een twee-laags-laksysteem.

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US3253918A (en) * 1962-06-01 1966-05-31 Eastman Kodak Co Print-out element
US3359107A (en) * 1964-05-22 1967-12-19 Eastman Kodak Co Photographic element
US3457072A (en) * 1965-10-22 1969-07-22 Eastman Kodak Co Photographic element and process
US3511658A (en) * 1966-09-28 1970-05-12 Keuffel & Esser Co Photographic reproduction materials

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US2036369A (en) * 1931-10-30 1936-04-07 Noel Associates Inc Quickproof process film
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188215A (en) * 1975-11-17 1980-02-12 Fuji Photo Film Co., Ltd. Photosensitive printing plate, method of preparing same, and method of processing same
US4256825A (en) * 1976-05-14 1981-03-17 Gaf Corporation Photographic element and photographic record prepared therefrom
US5591560A (en) * 1995-12-07 1997-01-07 Fehervari; Agota F. Image-receiving element for diffusion transfer photographic and photothermographic film products
US20050106484A1 (en) * 2003-11-17 2005-05-19 Gerard Gomes Image-receiving element
US6946232B2 (en) 2003-11-17 2005-09-20 Polaroid Corporation Image-receiving element

Also Published As

Publication number Publication date
FR1556083A (en)) 1969-01-31
DE1622933A1 (de) 1972-02-24
GB1184063A (en) 1970-03-11
CH507535A (de) 1971-05-15
BE711674A (en)) 1968-07-15

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