摘要:
Disclosed is a silver halide photographic emulsion which comprises silver halide particles containing a polynuclear metal complex in which an organic compound is contained as a bridging ligand, wherein 50% or more of a projected area of the particles is occupied by tabular particles having a particle thickness of 0.3 &mgr;m or less. This photographic emulsion is high in sensitivity, as well as give high contrast and good graininess. Also disclosed are a light-sensitive material for photographing of high image quality, which contains the photographic emulsion, and a simple method for forming a color image wherein the light-sensitive material is used.
摘要:
To provide a silver halide color photographic light-sensitive material having higher sensitivity and higher contrast and free of reciprocity failure over a wide range of exposure illuminance, A silver halide emulsion comprising a silver halide grain containing at least two metal complexes each giving an average electron releasing time of 10−5 to 3 seconds, the ratio in the average electron releasing time between these two metal complexes being at least 3 times or more and in these metal complexes, the content of the metal complex having a shorter average electron releasing time being 3 times or more as the molar ratio to the content of the metal complex having a longer average electron releasing time.
摘要:
A light-sensitive silver halide grain containing at least one metal complex, wherein when an a-axis, a b-axis and a c-axis of a silver halide crystal lattice are each established taking as an origin a central metal of the metal complex incorporated into the silver halide grain, the metal complex has in a ligand thereof a site which can form any bond of a covalent bond, a dative bond and an ionic bond, or a bond in a mixed form of these bonds with a silver ion on a lattice point which does not exist on any of the a-axis, the b-axis and the c-axis. The silver halide photographic material has no reciprocity failure over a wide range of exposure illuminations without desensitization and decrease of contrast on the low intensity side.
摘要:
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the material is contained at least one complex selected from complexes having a compound represented by the following formula (I) as at least one of their respective ligands or complexes having a diketone compound as at least one of their respective ligands: wherein X represents an atom or atomic group bridging two pyridine rings, each of R1 to R4 represents a hydrogen atom or a substituent group, and each of R1′ to R2′ represents a hydrogen atom or a substituent group.
摘要:
Provided are a silver halide photographic emulsion containing a metal complex represented by the following formula (I): Mm[IrCln(L1)k(L2)6-n-k] (I) wherein, M represents a cation or anion, m represents an integer of 0 to 4, n represents an integer of 3 to 5, k represents an integer of 0 to 3, L1 represents a ligand selected from the group consisting of pyrroles, thiophenes, pyrazoles, isoxazoles, isothiazoles, imidazole, oxazoles, furazanes, heterocycles having at least 3 hetero atoms and ureas, L2 represents an inorganic ligand other than Cl with the proviso that when k represents 0, L2 represents none of F, Br, I, NO, H2O, CO and C2O4; and a metal complex represented by the following formula (IV): Nk′[IrX6-n′Qn′] (IV) wherein, N represents a counter cation; X represents a halogen ion; Q represents a compound which contains at least three atoms selected from nitrogen and sulfur atoms, and 5 or less carbon atoms, may contain another atom, and exhibits a ratio of (the number of carbon atoms)/(the total number of nitrogen atoms+oxygen atoms+sulfur atoms) of less than 0.5; n′ represents an integer of 1 or 2 and k′ represents the number of counter cations necessary for neutralizing the charge of a complex salt.
摘要:
The Silver halide grains in the silver halide emulsion is disclosed, comprising silver halide grains containing three or more kinds of transition metal complexes each having a different electron-releasing time respectively classified into any of Class A (100 seconds or more), Class B (more than 1/10 seconds and less than 100 seconds), Class C (more than 1/1000 seconds and 1/10 seconds or less) and Class D (1/1000 seconds or less).
摘要:
A light-sensitive silver halide grain having an absorption band in a wavelength region of visible light is prepared to provide a silver halide photographic material having high spectral sensitivity in the visible region. The silver halide photographic material contains the light-sensitive silver halide grain having a metal complex dopant having an absorption band which has a molar absorption coefficient of 10,000 or more in a wavelength region of visible light in an ultraviolet-visible absorption spectrum of a solution thereof.
摘要:
A silver halide photographic material comprising a support having provided thereon at least a silver halide emulsion layer, wherein the material contains at least one metal complex contained in any of groups A, B and C: group A: an optically active metal complex; group B: a metal complex comprising a metal ion selected from the group consisting of transition metallic elements belonging to period 4 to 6 and group III to XI of the Periodic Table, and typical metallic elements belonging to period 4 to 6 and group XII to XIV of the Periodic Table, and at least one ligand represented by the following formula (I): wherein Z represents an atomic group to form a 5- or 6-membered ring; A represents a carbon atom or a nitrogen atom; X represents O31, S31 , NR1R2 or COO−; R1 and R2 each represents a hydrogen atom or an alkyl group; R represents a substituent; and n represents 0 or an integer of from 1 to 6; group C: a metal complex selected from a porphyrin complex, a porphycene complex, a phthalocyanine complex, a chlorin complex, and a bacteriochlorin complex.
摘要:
A silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these light-sensitive layer units composed of at least one silver halide emulsion layer, together with at least one non-sensitive layer, wherein compound (A) is contained in at least one layer in the silver halide color photosensitive material, compound (A) being a compound capable of releasing compound (Ac1) by oxidation coupling reaction with a color developing agent, compound (Ac1) being a heterocyclic compound which when added, is capable of enhancing the sensitivity of the photosensitive material as compared with that exhibited when not added, provided that the heterocyclic ring of the heterocyclic compound has 1 or 2 hetero atoms.
摘要:
A metal polishing composition comprising at least one of the compound represented by formula (1) defined herein and the compound represented by formula (2) defined herein, and an oxidizing agent, and a chemical mechanical polishing method comprising bringing the metal polishing composition into contact with a surface to be polished and providing a relative movement between the surface to be polished and a polishing surface.