Silver halide emulsion and silver halide photographic light sensitive material
US6150080A · kind A · utility
3Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 3, 1999 |
| Grant date | Nov 21, 2000 |
| Priority date | — |
| Expiry date | Sep 3, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/43
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide emulsion is disclosed, comprising tabular silver halide grains, wherein the tabular grains contain 50 mol % or more bromide, based on total silver and have parallel (111) major faces and a mean aspect ratio of not less than 2; and the tabular grains each comprising a central region accounting for at least 50% of the (111) major face, and an annular band accounting for not more than 5% of the (111) major face and containing not less than 0.05 mol % iodide and not more than 50 mol % chloride, based on silver forming the annular band.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.