CH392256A - Process for the production of photographic negatives or positives in very low-silver layers - Google Patents

Process for the production of photographic negatives or positives in very low-silver layers

Info

Publication number
CH392256A
CH392256A CH7560A CH7560A CH392256A CH 392256 A CH392256 A CH 392256A CH 7560 A CH7560 A CH 7560A CH 7560 A CH7560 A CH 7560A CH 392256 A CH392256 A CH 392256A
Authority
CH
Switzerland
Prior art keywords
positives
production
low
silver layers
photographic negatives
Prior art date
Application number
CH7560A
Other languages
German (de)
Inventor
Edith Weyde
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
Publication of CH392256A publication Critical patent/CH392256A/en

Links

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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/58—Processes for obtaining metallic images by vapour deposition or physical development
    • 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
CH7560A 1959-01-10 1960-01-05 Process for the production of photographic negatives or positives in very low-silver layers CH392256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA31109A DE1110519B (en) 1959-01-10 1959-01-10 Process for the production of photographic images in very low-silver layers

Publications (1)

Publication Number Publication Date
CH392256A true CH392256A (en) 1965-05-15

Family

ID=6927412

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7560A CH392256A (en) 1959-01-10 1960-01-05 Process for the production of photographic negatives or positives in very low-silver layers

Country Status (6)

Country Link
US (1) US3149970A (en)
BE (1) BE586348A (en)
CH (1) CH392256A (en)
DE (1) DE1110519B (en)
FR (1) FR1244812A (en)
GB (1) GB920277A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245733B (en) * 1963-05-09 1967-07-27 Agfa Ag Process for making color photographic images
US3390998A (en) * 1965-10-04 1968-07-02 Eastman Kodak Co Stabilized physical developers
BE710763A (en) * 1967-02-14 1968-06-17
US3647439A (en) * 1968-10-01 1972-03-07 Eastman Kodak Co Photographic element, composition and process
US3653899A (en) * 1968-11-12 1972-04-04 Eastman Kodak Co Photographic materials and processes
US3649275A (en) * 1969-09-02 1972-03-14 Eastman Kodak Co Photographic elements and processes
JPS6014334B2 (en) * 1979-04-13 1985-04-12 コニカ株式会社 Shadow image forming method
US6878510B2 (en) * 2002-09-10 2005-04-12 Fuji Photo Film Co., Ltd. Method of processing silver halide photosensitive material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH278309A (en) * 1949-07-04 1951-10-15 Bayer Ag Process for the direct production of positive photographic images.
BE531845A (en) * 1953-09-16
BE539816A (en) * 1954-07-15
BE546665A (en) * 1955-04-05

Also Published As

Publication number Publication date
DE1110519B (en) 1961-07-06
US3149970A (en) 1964-09-22
FR1244812A (en) 1960-10-28
BE586348A (en)
GB920277A (en) 1963-03-06

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