Patent ID: 7150963

Claim:
A silver halide emulsion comprising a silver halide and a compound represented by the following formula (1) or (2): wherein in Formula (1) and Formula (2), R 1 represents an OH group, an SH group, or an —NR 2 R 3 group in which R 2 and R 3 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkylsulfonyl group, or an arylsulfonyl group; L represents an alkenylene group, an arylene group, an —N═N— group, a divalent aromatic heterocyclic group, or a —C(R 4 )═N— group in which R 4 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; n represents 0 or 1; X and Y each independently represent a nitrogen atom or a —CR 5 — group in which R 5 represents a hydrogen atom or a substituent that can be bonded to the carbon atom; Z represents an atomic group that is necessary for forming the ring selected from a benzene ring, a naphthalene ring, a pyridine ring, a quinoline ring, an isocquinoline ring, a pyrrole ring, a furan ring, a thiophene ring, an imidazole ring, a thiazole ring, an oxazole ring, a triazole ring, a thiadiazole ring a pyrimidine ring, and a triazine ring; and M represents a hydrogen atom, a metal ion, or a quaternary ammonium ion.