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A process for the preparation of a silver bromine iodide emulsion comprising tabular grain and thus produced emulsions
A process for the preparation of a silver bromine iodide emulsion comprising tabular grain and thus produced emulsions
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机译:制备包含片状颗粒的碘化溴化银乳剂的方法,以及由此制得的乳剂
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摘要
A process is disclosed for the preparation of a tabular grain silver bromoiodide emulsion in which silver bromoiodide laminae are formed on the major faces of the tabular grains. The sensitivity of the emulsion as a function of pressure applied is rendered more nearly constant by forming the silver bromoiodide laminae on the major faces of the tabular grains. The silver bromoiodide laminae are formed on the major faces of the tabular grains with an iodide content higher than that of the host emulsion, and thereafter, within the pAg and temperature boundaries defined by Curve A in FIG. 1, bromide is deposited as a silver salt with the addition of iodide being limited or absent.
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