JPS5216223A - Direct-positive silver halide photographic emulsion - Google Patents

Direct-positive silver halide photographic emulsion

Info

Publication number
JPS5216223A
JPS5216223A JP9238975A JP9238975A JPS5216223A JP S5216223 A JPS5216223 A JP S5216223A JP 9238975 A JP9238975 A JP 9238975A JP 9238975 A JP9238975 A JP 9238975A JP S5216223 A JPS5216223 A JP S5216223A
Authority
JP
Japan
Prior art keywords
silver halide
halide photographic
photographic emulsion
direct
positive silver
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.)
Granted
Application number
JP9238975A
Other languages
Japanese (ja)
Other versions
JPS5710418B2 (en
Inventor
Junichi Matsuyama
Masanao Hiuga
Akira Sato
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP9238975A priority Critical patent/JPS5216223A/en
Priority to DE19762634143 priority patent/DE2634143A1/en
Priority to GB3175476A priority patent/GB1545909A/en
Publication of JPS5216223A publication Critical patent/JPS5216223A/en
Publication of JPS5710418B2 publication Critical patent/JPS5710418B2/ja
Granted 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

PURPOSE: To provide an internal latent image type silver halide photographic emulsion having high spectral sensitivity by adding a specific sensitizer.
COPYRIGHT: (C)1977,JPO&Japio
JP9238975A 1975-07-29 1975-07-29 Direct-positive silver halide photographic emulsion Granted JPS5216223A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9238975A JPS5216223A (en) 1975-07-29 1975-07-29 Direct-positive silver halide photographic emulsion
DE19762634143 DE2634143A1 (en) 1975-07-29 1976-07-29 PHOTOGRAPHIC SILVER HALOGENIDEMULSION OF THE LATENT INTERIOR PICTURE TYPE AND THEIR USE IN A LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL FOR THE DIRECT PRODUCTION OF POSITIVE PICTURES
GB3175476A GB1545909A (en) 1975-07-29 1976-07-29 Direct-positive silver halide photographic emulsions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9238975A JPS5216223A (en) 1975-07-29 1975-07-29 Direct-positive silver halide photographic emulsion

Publications (2)

Publication Number Publication Date
JPS5216223A true JPS5216223A (en) 1977-02-07
JPS5710418B2 JPS5710418B2 (en) 1982-02-26

Family

ID=14053055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9238975A Granted JPS5216223A (en) 1975-07-29 1975-07-29 Direct-positive silver halide photographic emulsion

Country Status (3)

Country Link
JP (1) JPS5216223A (en)
DE (1) DE2634143A1 (en)
GB (1) GB1545909A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5466822A (en) * 1993-04-28 1995-11-14 Fuji Photo Film Co., Ltd. Benzimidazolocarbocyanine dye and silver halide photographic material containing said dye

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0331185A3 (en) * 1988-03-04 1990-11-22 Fuji Photo Film Co., Ltd. Silver halide photographic element for forming direct positive images and a method for forming said images

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825652A (en) * 1971-08-04 1973-04-03
JPS4838406A (en) * 1971-09-20 1973-06-06
JPS4841203A (en) * 1971-09-24 1973-06-16

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825652A (en) * 1971-08-04 1973-04-03
JPS4838406A (en) * 1971-09-20 1973-06-06
JPS4841203A (en) * 1971-09-24 1973-06-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5466822A (en) * 1993-04-28 1995-11-14 Fuji Photo Film Co., Ltd. Benzimidazolocarbocyanine dye and silver halide photographic material containing said dye

Also Published As

Publication number Publication date
JPS5710418B2 (en) 1982-02-26
DE2634143A1 (en) 1977-02-17
GB1545909A (en) 1979-05-16

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