US3410685A - Direct-positive images by the silver salt diffusion process - Google Patents

Direct-positive images by the silver salt diffusion process Download PDF

Info

Publication number
US3410685A
US3410685A US274835A US27483563A US3410685A US 3410685 A US3410685 A US 3410685A US 274835 A US274835 A US 274835A US 27483563 A US27483563 A US 27483563A US 3410685 A US3410685 A US 3410685A
Authority
US
United States
Prior art keywords
layer
silver
paper
alginate
nuclei
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
US274835A
Other languages
English (en)
Inventor
Schaum Gustav
Pfeiffenschneider Raymund
Rintelen Harald Von
Weyde Edith
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 NV
Original Assignee
Agfa 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 AG filed Critical Agfa AG
Application granted granted Critical
Publication of US3410685A publication Critical patent/US3410685A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02Photosensitive materials characterised by the image-forming section
    • G03C8/04Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
    • G03C8/06Silver salt diffusion transfer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/24Photosensitive materials characterised by the image-receiving section
    • G03C8/26Image-receiving layers
    • G03C8/28Image-receiving layers containing development nuclei or compounds forming such nuclei
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/42Structural details
    • G03C8/52Bases or auxiliary layers; Substances therefor

Definitions

  • Alginate layers swell very quickly in the alkaline processing liquid and since they are very thin, they only slightly impede the penetration of the processing liquid into the silver halide layer.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
US274835A 1962-05-09 1963-04-22 Direct-positive images by the silver salt diffusion process Expired - Lifetime US3410685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA40167A DE1152883B (de) 1962-05-09 1962-05-09 Verfahren zur Herstellung direkt-positiver Bilder nach dem Silbersalzdiffusionsverfahren

Publications (1)

Publication Number Publication Date
US3410685A true US3410685A (en) 1968-11-12

Family

ID=6931800

Family Applications (1)

Application Number Title Priority Date Filing Date
US274835A Expired - Lifetime US3410685A (en) 1962-05-09 1963-04-22 Direct-positive images by the silver salt diffusion process

Country Status (6)

Country Link
US (1) US3410685A (en(2012))
AT (1) AT253354B (en(2012))
BE (1) BE632013A (en(2012))
CH (1) CH445289A (en(2012))
DE (1) DE1152883B (en(2012))
GB (1) GB1024377A (en(2012))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976487A (en) * 1970-07-14 1976-08-24 Fuji Photo Film Co., Ltd. Photosensitive printing plate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558857A (en) * 1947-02-08 1951-07-03 Polaroid Corp Photographic developer element
US2647056A (en) * 1948-02-12 1953-07-28 Polaroid Corp One step photographic transfer process
US2698237A (en) * 1954-08-16 1954-12-28 Polaroid Corp Photographic silver halide transfer product and process
DE1093671B (de) * 1956-10-03 1960-11-24 Gevaert Photo Prod Nv Steuerungsvorrichtung fuer Geraete zur Herstellung von Kopien nach dem Silbersalzdiffusionsuebertragungsverfahren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558857A (en) * 1947-02-08 1951-07-03 Polaroid Corp Photographic developer element
US2647056A (en) * 1948-02-12 1953-07-28 Polaroid Corp One step photographic transfer process
US2698237A (en) * 1954-08-16 1954-12-28 Polaroid Corp Photographic silver halide transfer product and process
DE1093671B (de) * 1956-10-03 1960-11-24 Gevaert Photo Prod Nv Steuerungsvorrichtung fuer Geraete zur Herstellung von Kopien nach dem Silbersalzdiffusionsuebertragungsverfahren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976487A (en) * 1970-07-14 1976-08-24 Fuji Photo Film Co., Ltd. Photosensitive printing plate

Also Published As

Publication number Publication date
AT253354B (de) 1967-04-10
DE1152883B (de) 1963-08-14
CH445289A (de) 1967-10-15
GB1024377A (en) 1966-03-30
BE632013A (en(2012))

Similar Documents

Publication Publication Date Title
US2834676A (en) Photographic diffusion transfer process for producing multiple direct positive copies
US3728114A (en) Direct positive sheet and an offset printing plate produced therefrom
US4362811A (en) Processing solution composition for silver complex diffusion transfer process
US3250616A (en) Printing forms of high polymer substances
US3985561A (en) Diffusion transfer process using silver halide emulsions with 90% chloride and high binder to silver halide ratios
US2843485A (en) Transfer process of photographic printing
US2774667A (en) Photographic silver halide transfer process
US3043691A (en) Process and material for the direct production of positives by the silver salt diffusion process
US3067033A (en) Production of transfer images by the silver salt diffusion process
EP0306561B1 (en) Image-receiving material
US2865745A (en) Photographic reproduction process
US3410685A (en) Direct-positive images by the silver salt diffusion process
US3989521A (en) Production of planographic printing patterns on aluminum sheets using solutions containing dicarboxylic acid compounds
US2969014A (en) Photochemical stencil and method for manufacture
US3174859A (en) Process for obtaining multiple photographic positive images by diffusiontransfer
US2937945A (en) Process and photographic material for the direct production of positive photographicimages
US4149889A (en) Direct offset printing plate
US3385701A (en) Lithographic offset master and method
US2739890A (en) Photographic reproduction process
US3335005A (en) Silver complex diffusion transfer process
US4302526A (en) Materials for silver complex diffusion transfer process
US4401753A (en) Photographic silver halide material for use in the silver complex diffusion transfer reversal process with two silver halide layers
US3582328A (en) Planographic printing plate from mercuric ion on silver diffusion transferred image
US3510301A (en) Silver salt diffusion transfer method
US3415647A (en) Photographic silver halide diffusion transfer process