SILVER HALIDE PHOTOGRAPHIC MATERIAL Russian patent published in 1999 - IPC

FIELD: light-sensitive materials. SUBSTANCE: material contains emulsion layer containing silver bromide and/or silver bromoiodide plate microcrystals with d_1av:h_1av = 2:1 to 25:1 with d_1av = 0.15-1.0 mcm and, additionally, regular microcrystals 11 with d_2av = 0.15 to 1.0 mcm and also regular microcrystals 111 with d_3av = 0.05 to 0.25 mcm and molar ratio of silver halides contained in microcrystals 1, 11, and 111 equal to 1:(0.05-1.0): (0.05-1.0). EFFECT: increased information content. 8 cl, 5 tbl, 31 ex