JPS56110926A - Silver halide emulsion - Google Patents

Silver halide emulsion

Info

Publication number
JPS56110926A
JPS56110926A JP1436780A JP1436780A JPS56110926A JP S56110926 A JPS56110926 A JP S56110926A JP 1436780 A JP1436780 A JP 1436780A JP 1436780 A JP1436780 A JP 1436780A JP S56110926 A JPS56110926 A JP S56110926A
Authority
JP
Japan
Prior art keywords
silver
emulsion
silver halide
halide emulsion
uniformly distributed
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.)
Pending
Application number
JP1436780A
Other languages
Japanese (ja)
Inventor
Hiroo Koitabashi
Masashi Matsuzaka
Toshibumi Iijima
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP1436780A priority Critical patent/JPS56110926A/en
Priority to DE8080102999T priority patent/DE3064900D1/en
Priority to US06/154,442 priority patent/US4349622A/en
Priority to EP80102999A priority patent/EP0019917B1/en
Publication of JPS56110926A publication Critical patent/JPS56110926A/en
Pending legal-status Critical Current

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
    • 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
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03552—Epitaxial junction grains; Protrusions or protruded grains

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To obtain a silver halide emulsion useful as a crystal substrate for epitaxial mixed silver halide crystals with improved developing speed and fixing speed by using silver iodobromide contg. a specified amount of almost uniformly distributed silver iodide. CONSTITUTION:Silver halide particles made essentially of silver iodobromide contg. almost uniformly distributed 10-40mol% silver iodide are used to prepare an emulsion. When the particles are subjected to powder X-ray diffraction analysis, the half-width of the peak of face index (200) of the silver iodobromide is DELTA2theta<=0.30 deg. using Cu-Kalpha X-rays. At this time, the usage condition of a diffractometer is omegatau/gamma<= 10, supposing the scanning speed of a goniometer to be omega deg./min, the time constant tausec and the receiving slit width gammamm.. A silver halide emulsion showing such measured results includes a mixture of two or more kinds of emulsions having different silver iodide contents. One emulsion may be coated with the other emulsion.
JP1436780A 1979-06-01 1980-02-07 Silver halide emulsion Pending JPS56110926A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1436780A JPS56110926A (en) 1980-02-07 1980-02-07 Silver halide emulsion
DE8080102999T DE3064900D1 (en) 1979-06-01 1980-05-29 Photographic silver halide emulsion comprising epitaxial composite silver halide crystals, silver iodobromide emulsion and process for preparing the same
US06/154,442 US4349622A (en) 1979-06-01 1980-05-29 Photographic silver halide emulsion comprising epitaxial composite silver halide crystals, silver iodobromide emulsion and process for preparing the same
EP80102999A EP0019917B1 (en) 1979-06-01 1980-05-29 Photographic silver halide emulsion comprising epitaxial composite silver halide crystals, silver iodobromide emulsion and process for preparing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1436780A JPS56110926A (en) 1980-02-07 1980-02-07 Silver halide emulsion

Publications (1)

Publication Number Publication Date
JPS56110926A true JPS56110926A (en) 1981-09-02

Family

ID=11859073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1436780A Pending JPS56110926A (en) 1979-06-01 1980-02-07 Silver halide emulsion

Country Status (1)

Country Link
JP (1) JPS56110926A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188252A (en) * 1984-10-08 1986-05-06 Konishiroku Photo Ind Co Ltd Silver halide photographic emulsion and photosensitive material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188252A (en) * 1984-10-08 1986-05-06 Konishiroku Photo Ind Co Ltd Silver halide photographic emulsion and photosensitive material

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