Title:
PLATELIKE PARTICLE EMULSION CONTAINING IODIDE BAND
Document Type and Number:
Japanese Patent JP3452974
Kind Code:
B2
Abstract:
PURPOSE: To produce a high chloride [1001 platelike particle emulsion offering a more excellent speed-graininess relation in addition to an advantage of the platelike particle emulsion produced by a prior-art.
CONSTITUTION: In a radiation sensitive emulsion containing silver halide particle group containing at least 50mol.% chloride per silver, (1) at least 50% of a particle group projected area is divided with the [100] main face having an adjacent edge ratio of less than 10, (2) the platelike particles have an aspect ratio of at least 2 respectively and (3) each platelike particle is occupied with the platelike particle constituted by incorporating a core and a surrounding band containing a high level iodide ion.
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Inventors:
Thomas brownel blast
Mark Richard Mizu
Mark Richard Mizu
Application Number:
JP7839694A
Publication Date:
October 06, 2003
Filing Date:
April 18, 1994
Export Citation:
Assignee:
Eastman Kodak Company
International Classes:
G03C1/005; G03C1/00; G03C1/015; G03C1/035; G03C1/16; G03C1/18; G03C1/22; (IPC1-7): G03C1/035
Domestic Patent References:
| JP212142A | ||||
| JP6337507A |
Other References:
【文献】欧州特許出願公開534395(EP,A1)
Attorney, Agent or Firm:
Takashi Ishida (3 others)