High-definition photosensitive emulsion of nm silver halide and its preparing process and usage

Application Number: 00105789
Application Date: 2000.04.10
Publication Number: 1317719
Publication Date: 2001.10.17
Priority Information:
International: G03C1/005
Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of Sciences
Inventor(s) Name: Liu Chunyan;Zhang Zhiying
Patent Agency Code: 31002
Patent Agent: li bai
Abstract A high-definition nm-class photosensitive silver halide emulsion used for preparing photosensitive material contains surfactant (4.5-26) (wt.portions), nm particles of silver halide (0.1-1.2), photographic gelatin (2-11), organic solvlent (40-90) as disperser, deionized water (3-27), potassium nitrate (0.07-0.85), potassium halide (0.0005-0.06) and optional spectrum-sensing dye (0.001-0.02), and is prepared in a water-in-oil microemulsion system. Its advantages include simple process, low silver content, high definition, and high light absorption efficiency.