| 摘要 |
FIELD: photography. SUBSTANCE: invention refers to technology of nonsilver materials, specifically to imaging in light-sensitive layers based on halogen-copper emulsion. When layer of halogen-copper photoemulsion is applied to backing its chemical sensitization is conducted in solution of compound chosen from group of compounds containing hydroxide-, carbonate- or carboxylate anions (potassium citrate, sodium acetate and so on) for the purpose of development of number of effective chemical sensitizers and developing compositions used in technology of application and development of halogen-copper photographic emulsions enabling high sensitometric characteristics of photomaterials on their basis to be obtained. Then layer is exposed and developed with usage of variants of compositions containing amino- and carboxyl groups (glycine, valine and the like) and alkaline salt of citric, tartaric or acetic acid. Sodium carbonate is used to form low-alkaline medium (pH 8.5-9.0). EFFECT: development of effective chemical sensitizers. 4 tbl |
