GB1389569A - Direct-positive multi-layer light-sensitive silver halide material - Google Patents
Direct-positive multi-layer light-sensitive silver halide materialInfo
- Publication number
- GB1389569A GB1389569A GB1846772A GB1846772A GB1389569A GB 1389569 A GB1389569 A GB 1389569A GB 1846772 A GB1846772 A GB 1846772A GB 1846772 A GB1846772 A GB 1846772A GB 1389569 A GB1389569 A GB 1389569A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- direct
- free
- grains
- positive
- 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 12
- 239000004332 silver Substances 0.000 title abstract 12
- -1 silver halide Chemical class 0.000 title abstract 12
- 239000000463 material Substances 0.000 title abstract 6
- 239000000839 emulsion Substances 0.000 abstract 10
- 239000000370 acceptor Substances 0.000 abstract 6
- 239000000975 dye Substances 0.000 abstract 5
- 230000001235 sensitizing effect Effects 0.000 abstract 4
- 238000009792 diffusion process Methods 0.000 abstract 3
- 238000010893 electron trap Methods 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000001828 Gelatine Substances 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 239000003945 anionic surfactant Substances 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000003574 free electron Substances 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 229920001477 hydrophilic polymer Polymers 0.000 abstract 1
- 230000003993 interaction Effects 0.000 abstract 1
- 230000000873 masking effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000000377 silicon dioxide 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
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
- G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46024967A JPS5140980B1 (enrdf_load_stackoverflow) | 1971-04-20 | 1971-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1389569A true GB1389569A (en) | 1975-04-03 |
Family
ID=12152727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1846772A Expired GB1389569A (en) | 1971-04-20 | 1972-04-20 | Direct-positive multi-layer light-sensitive silver halide material |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3854953A (enrdf_load_stackoverflow) |
| JP (1) | JPS5140980B1 (enrdf_load_stackoverflow) |
| BE (1) | BE782375A (enrdf_load_stackoverflow) |
| DE (1) | DE2219437A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2133951B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1389569A (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456243A (en) * | 1973-01-25 | 1976-11-24 | Agfa Gevaert | Directpositive silver halide elements |
| US4269914A (en) * | 1979-04-16 | 1981-05-26 | Eastman Kodak Company | Ultrasonographic elements containing multiple layers and processes for their use |
| US4395478A (en) * | 1981-11-12 | 1983-07-26 | Eastman Kodak Company | Direct-positive core-shell emulsions and photographic elements and processes for their use |
| US4444874A (en) * | 1982-09-15 | 1984-04-24 | Eastman Kodak Company | Photographic elements containing direct-positive emulsions and processes for their use |
| USRE32149E (en) * | 1982-09-15 | 1986-05-20 | Eastman Kodak Company | Photographic elements containing direct-positive emulsions and processes for their use |
| US6566044B2 (en) * | 2000-03-27 | 2003-05-20 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
| CN115760684A (zh) * | 2022-09-22 | 2023-03-07 | 超聚变数字技术有限公司 | 主板led灯的测试阈值区间调节方法、测试方法及装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3445235A (en) * | 1965-07-15 | 1969-05-20 | Du Pont | Rhodium and iridium salts as anti-kinking agent in direct positive silver halide emulsions |
| US3510348A (en) * | 1966-03-11 | 1970-05-05 | Eastman Kodak Co | Direct positive recording film |
| US3501306A (en) * | 1966-03-11 | 1970-03-17 | Eastman Kodak Co | Regular grain photographic reversal emulsions |
| US3632340A (en) * | 1968-09-09 | 1972-01-04 | Eastman Kodak Co | Cored direct positive silver halide emulsion developed with polyhydroxybenzene |
| BE754842A (fr) * | 1969-08-14 | 1971-01-18 | Eastman Kodak Co | Produit photographique aux halogenures d'argent positif direct a latitude d'exposition amelioree |
-
1971
- 1971-04-20 JP JP46024967A patent/JPS5140980B1/ja active Pending
-
1972
- 1972-04-20 US US00246074A patent/US3854953A/en not_active Expired - Lifetime
- 1972-04-20 FR FR7213972A patent/FR2133951B1/fr not_active Expired
- 1972-04-20 GB GB1846772A patent/GB1389569A/en not_active Expired
- 1972-04-20 BE BE782375A patent/BE782375A/xx unknown
- 1972-04-20 DE DE2219437A patent/DE2219437A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5140980B1 (enrdf_load_stackoverflow) | 1976-11-06 |
| BE782375A (fr) | 1972-08-16 |
| DE2219437A1 (de) | 1973-10-31 |
| FR2133951A1 (enrdf_load_stackoverflow) | 1972-12-01 |
| FR2133951B1 (enrdf_load_stackoverflow) | 1976-10-29 |
| US3854953A (en) | 1974-12-17 |
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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 |