Optically sensitized prescreened photographic material |
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| 申请号 | US23433251 | 申请日 | 1951-06-29 | 公开(公告)号 | US2742833A | 公开(公告)日 | 1956-04-24 |
| 申请人 | EASTMAN KODAK CO; | 发明人 | EVANS RALPH M; STAUFFER ROBERT E; YUTZY HENRY C; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A PHOTOGRAPHIC HALFTONE MATERIAL COMPRISING A FLAT SUPPORT AND A PHOTOSENSITIVE SILVER HALIDE EMULSION LAYER ON THE SUPPORT WITH A HALFTONE PATTERN OF SQUARE ELEMENTAL AREAS JUXTAPOSED WITH NO INTERVENING AREAS, SAID SQUARE ELEMENTAL AREAS HAVING A RATIO OF GREEN TO BLUE SENSITIVITY GREATER AT THE CENTERS THAN AT THE CORNERS, AND HAVING SUBSTANTIALLY UNIFORM SENSITIVITY TO BLUE LIGHT THROUGHOUT. |
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| 说明书全文 | |||||||
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