CA1032808A - Silver halide films with wide exposure latitude and low gradient - Google Patents

Silver halide films with wide exposure latitude and low gradient

Info

Publication number
CA1032808A
CA1032808A CA207,747A CA207747A CA1032808A CA 1032808 A CA1032808 A CA 1032808A CA 207747 A CA207747 A CA 207747A CA 1032808 A CA1032808 A CA 1032808A
Authority
CA
Canada
Prior art keywords
silver halide
exposure latitude
low gradient
wide exposure
halide films
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
Application number
CA207,747A
Other languages
English (en)
French (fr)
Other versions
CA207747S (en
Inventor
Warren W. Evans
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA1032808A publication Critical patent/CA1032808A/en
Expired 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
    • G03C1/46—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer
    • 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
    • G03C2001/03564—Mixed grains or mixture of emulsions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/15—Lithographic emulsion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA207,747A 1973-08-27 1974-08-26 Silver halide films with wide exposure latitude and low gradient Expired CA1032808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US391525A US3888676A (en) 1973-08-27 1973-08-27 Silver halide films with wide exposure latitude and low gradient

Publications (1)

Publication Number Publication Date
CA1032808A true CA1032808A (en) 1978-06-13

Family

ID=23546952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,747A Expired CA1032808A (en) 1973-08-27 1974-08-26 Silver halide films with wide exposure latitude and low gradient

Country Status (8)

Country Link
US (1) US3888676A (enExample)
JP (1) JPS5051724A (enExample)
BE (1) BE819171A (enExample)
CA (1) CA1032808A (enExample)
DE (1) DE2440639C2 (enExample)
FR (1) FR2242703B1 (enExample)
GB (1) GB1471778A (enExample)
IT (1) IT1020198B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708466A1 (de) * 1977-02-26 1978-08-31 Agfa Gevaert Ag Emulsionsabmischungen fuer colorumkehr-(aufsichts-)material
US4209329A (en) * 1977-05-02 1980-06-24 E. I. Du Pont De Nemours And Company Low silver coating weight, high speed films having two similar emulsion layers
DE2818428C3 (de) * 1977-05-02 1980-12-04 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Photographisches Aufzeichnungsmaterial
JPS58143335A (ja) * 1982-02-19 1983-08-25 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真感光材料
US4451560A (en) * 1982-11-15 1984-05-29 Polaroid Corporation Chemical sensitization of silver halide grains
JPS59137951A (ja) * 1983-01-28 1984-08-08 Fuji Photo Film Co Ltd カラ−反転感光材料
JPS6290646A (ja) * 1985-10-17 1987-04-25 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料およびそれを用いた画像形成方法
JPH01131542A (ja) * 1987-08-21 1989-05-24 Konica Corp ネガ型ハロゲン化銀カラー写真感光材料
DE3828312A1 (de) * 1988-08-20 1990-03-01 Agfa Gevaert Ag Herstellung einer silberhalogenidemulsion
US5828793A (en) * 1996-05-06 1998-10-27 Massachusetts Institute Of Technology Method and apparatus for producing digital images having extended dynamic ranges
US7978925B1 (en) 2005-04-16 2011-07-12 Apple Inc. Smoothing and/or locking operations in video editing
US8699821B2 (en) 2010-07-05 2014-04-15 Apple Inc. Aligning images

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456955A (en) * 1944-06-02 1948-12-21 Eastman Kodak Co Photographic processes and lightsensitive elements therefor
BE558670A (enExample) * 1956-06-26
US3130053A (en) * 1956-06-26 1964-04-21 Agfa Ag Photographic material for the production of photographic records with tone value correction
US3140179A (en) * 1959-10-22 1964-07-07 Eastman Kodak Co Photographic element having increased speed and contrast
US3450536A (en) * 1961-03-24 1969-06-17 Eg & G Inc Silver halide photographic film having increased exposure-response characteristics
US3206313A (en) * 1961-05-15 1965-09-14 Eastman Kodak Co Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
DE1447568A1 (de) * 1963-04-20 1969-02-13 Agfa Ag Lichtempfindliches photographisches Material,das unabhaengig von der Belichtung mit blauem,gruenem oder rotem Licht Bilder gleicher Gradation liefert
US3418123A (en) * 1965-10-22 1968-12-24 Du Pont Intensification process utilizing superposed silver halide layered structure
US3632342A (en) * 1969-03-03 1972-01-04 Eastman Kodak Co Photographic element containing acrylic latex polymers

Also Published As

Publication number Publication date
IT1020198B (it) 1977-12-20
GB1471778A (en) 1977-04-27
JPS5051724A (enExample) 1975-05-08
DE2440639C2 (de) 1982-03-11
FR2242703B1 (enExample) 1982-06-04
BE819171A (fr) 1975-02-26
US3888676A (en) 1975-06-10
FR2242703A1 (enExample) 1975-03-28
DE2440639A1 (de) 1975-03-13

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