Silver halide photographic emulsion and light-sensitive material containing the same
US6638704B2 · kind B2 · utility
0Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2002 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Jul 2, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/03511
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic emulsion comprising silver halide grains is disclosed, which is obtained through a process including at least one step of forming grains using a dispersion medium having a low viscosity, wherein 50% or more of the entire projected area of all silver halide grains in the emulsion is occupied by silver halide tabular grains having an aspect ratio of 4 or more and a twin plane spacing of 0.012 &mgr;m or less. Further disclosed is a silver halide color photographic light-sensitive material using the emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.