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    • 3. 发明授权
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • US5981154A
    • 1999-11-09
    • US939268
    • 1997-09-29
    • Yasuo TosakaSusumu OhkawachiMasayuki Sasagawa
    • Yasuo TosakaSusumu OhkawachiMasayuki Sasagawa
    • G03C7/20G03C1/485G03C1/79G03C1/91G03C7/30G03F3/10G03C1/46
    • G03C7/3041G03F3/107G03C1/79G03C7/3022Y10S430/145
    • A silver halide color photographic material is disclosed which comprises a support and provided thereon, a first silver halide emulsion layer comprising at least one yellow image forming silver halide emulsion, a second silver halide emulsion layer comprising-at least one magenta image forming silver halide emulsion and a third silver halide emulsion layer comprising at least one cyan image forming silver halide emulsion, wherein at least one of said first, second and third silver halide emulsion layers further contains a fourth silver halide emulsion, each one of said first, second, third and fourth silver halide emulsions has a spectral sensitivity wavelength region at least six times higher than that in the wavelength region of the other three emulsions, and said fourth silver halide emulsion gives an optical density after development of 0.7 or more.
    • 公开了一种卤化银彩色照相材料,其包括载体并在其上提供包含至少一种黄色图像形成卤化银乳剂的第一卤化银乳剂层,第二卤化银乳剂层,其包含至少一种品红色图像形成卤化银乳剂 和包含至少一种青色成像卤化银乳剂的第三卤化银乳剂层,其中所述第一,第二和第三卤化银乳剂层中的至少一种还包含第四卤化银乳剂,所述第一,第二,第三 和第四卤化银乳剂的光谱灵敏度波长区域比其它三种乳液的波长区域的光谱灵敏度波长区域高至少六倍,并且所述第四卤化银乳剂在显影0.7以上后给出光密度。
    • 8. 发明授权
    • Direct positive silver halide color photographic light-sensitive material
    • 直接正卤化银彩色摄影感光材料
    • US5492797A
    • 1996-02-20
    • US279213
    • 1994-07-22
    • Yasuo TosakaMasayuki Sasagawa
    • Yasuo TosakaMasayuki Sasagawa
    • G03C1/035G03C1/485G03C1/825G03C7/00G03C7/30G03C1/00
    • G03C1/48538G03C7/3041Y10S430/141
    • Disclosed is a direct positive silver halide color photographic light-sensitive material comprising a support and provided thereon, a blue-sensitive emulsion layer containing previously unfogged internal latent image-forming silver halide grains having a spectral sensitivity to blue-light, a green-sensitive emulsion layer containing previously unfogged internal latent image-forming silver halide grains having a spectral sensitivity to green-light, a red-sensitive emulsion layer containing previously unfogged internal latent image-forming silver halide grains having a spectral sensitivity to red-light and a hydrophilic colloidal layer, wherein said blue-sensitive emulsion layer is provided so as to be located farther than both said green-sensitive and said red-sensitive emulsion layers from the support; and at least one of said blue-sensitive emulsion layer, said-green sensitive emulsion layer and said red-sensitive emulsion layer or said hydrophilic colloidal layer contains an internal latent image forming silver halide grains having a spectral sensitivity having a part common to the respective spectral sensitivity regions pertaining to said blue-sensitive emulsion layer, said green-sensitive emulsion layer and said red-sensitive emulsion layer; and said spectral sensitivity of said blue-sensitive emulsion layer to said blue-light, is not less than 0.8 of at least one selected from a spectral sensitivity of said green-sensitive emulsion layer to said blue-light or a spectral sensitivity of said red-sensitive emulsion layer to blue-light.
    • 公开了一种直接正性卤化银彩色摄影感光材料,其包含载体并提供在其上,含有对蓝光具有光谱灵敏度的预先未雾化的内部潜像形成卤化银颗粒的感蓝乳剂层,绿色敏感的 包含对绿光具有光谱灵敏度的预先未雾化的内部潜像形成卤化银颗粒的乳剂层,含有对红光的光谱灵敏度的预先未雾化的内部潜像形成卤化银颗粒的红色感光乳剂层和亲水性 胶体层,其中所述感蓝乳剂层被设置成比来自载体的所述感绿乳剂层和所述感红乳剂层更远; 并且所述感蓝乳剂层,所述感绿乳剂层和所述感红乳剂层或所述亲水性胶体层中的至少一个含有形成卤化银颗粒的内部潜像,所述卤化银颗粒具有光谱灵敏度,其具有相应的部分共同的部分 与所述感蓝乳剂层,所述感绿乳剂层和所述感红乳剂层有关的光谱灵敏度区域; 并且所述蓝敏感乳剂层对所述蓝光的光谱灵敏度不小于选自所述感绿乳剂层对所述蓝光的光谱灵敏度或所述红光的光谱灵敏度中的至少一种的0.8以上 感光乳剂层为蓝光。