GB1471778A - Proces for making silver halide films with wide exposure latitude and low gradient - Google Patents
Proces for making silver halide films with wide exposure latitude and low gradientInfo
- Publication number
- GB1471778A GB1471778A GB3695674A GB3695674A GB1471778A GB 1471778 A GB1471778 A GB 1471778A GB 3695674 A GB3695674 A GB 3695674A GB 3695674 A GB3695674 A GB 3695674A GB 1471778 A GB1471778 A GB 1471778A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- sensitizing
- portions
- exposure latitude
- low gradient
- 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
Links
- 229910052709 silver Inorganic materials 0.000 title abstract 4
- 239000004332 silver Substances 0.000 title abstract 4
- -1 silver halide Chemical class 0.000 title abstract 4
- 230000001235 sensitizing effect Effects 0.000 abstract 4
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 206010070834 Sensitisation Diseases 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000008313 sensitization Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
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)
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 |
|---|---|
| GB1471778A true GB1471778A (en) | 1977-04-27 |
Family
ID=23546952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3695674A Expired GB1471778A (en) | 1973-08-27 | 1974-08-22 | Proces for making 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)
| 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)
| 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 |
-
1973
- 1973-08-27 US US391525A patent/US3888676A/en not_active Expired - Lifetime
-
1974
- 1974-08-22 GB GB3695674A patent/GB1471778A/en not_active Expired
- 1974-08-24 DE DE2440639A patent/DE2440639C2/de not_active Expired
- 1974-08-26 FR FR7429140A patent/FR2242703B1/fr not_active Expired
- 1974-08-26 IT IT26612/74A patent/IT1020198B/it active
- 1974-08-26 BE BE147890A patent/BE819171A/xx not_active IP Right Cessation
- 1974-08-26 CA CA207,747A patent/CA1032808A/en not_active Expired
- 1974-08-27 JP JP49097614A patent/JPS5051724A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1032808A (en) | 1978-06-13 |
| IT1020198B (it) | 1977-12-20 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |