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    • 92. 发明授权
    • Digital photographic element with biaxially oriented polymer base
    • 带双轴取向聚合物基底的数码照相元件
    • US06296995B1
    • 2001-10-02
    • US09480896
    • 2000-01-11
    • Alphonse D. CampPeter T. AylwardRobert P. Bourdelais
    • Alphonse D. CampPeter T. AylwardRobert P. Bourdelais
    • G03C726
    • G03C1/775G03C1/08G03C1/09G03C1/79G03C1/7954G03C7/3029G03C7/3041G03C2001/093G03C2001/7628
    • The invention relates to A reflective base photographic element comprising a support material comprising a microvoided biaxially oriented polymer sheet having an upper surface L* of at least 93.5 and imaging layers wherein said imaging layers have an exposure range of between 125 to 0.5 when there is a Status A reflection density shoulder loss of no more than 8 percent as a function of the cyan record, wherein said photographic element has an exposure range of at least 125 nanoseconds to 0.5 seconds when there is a Status A reflection density shoulder loss of no more than 8 percent as a function of the magenta color record, wherein said photographic element has an exposure range of at least 125 nanoseconds to 0.5 seconds when there is a Status A reflection density shoulder loss of no more than 4 percent as a function of the yellow color record, and wherein said photographic element has a Status A reflection density minimum of less than 0.100 in the cyan layer, has a Status A reflection density minimum of less than 0.100 in the magenta layer, has a Status A reflection density minimum of less than 0.08 in the yellow layer, and a modulation transfer function (MTF) of at least 78.0, and a cyan Dmax of at least 2.53, a magenta Dmax of at least 2.34, and a yellow Dmax of at least 2.16.
    • 本发明涉及一种反射式底座照相元件,其包含支撑材料,该支撑材料包括具有至少93.5的上表面L *和成像层的微孔双轴取向聚合物片,其中所述成像层的曝光范围为125至0.5,当存在 状态作为青色记录的函数,反射密度肩部损失不超过8%,其中当A状态A反射密度肩部损失不超过时,所述照相元件具有至少125纳秒至0.5秒的曝光范围 作为品红色记录的函数的8%,其中当状态A的反射密度肩损失为黄色的函数时,所述照相元件具有至少125纳秒至0.5秒的曝光范围 并且其中所述照相元件在青色层具有小于0.100的状态A反射密度最小值,具有状态A反射 在品红色层中的密度最小值小于0.100,在黄色层中的状态A反射密度最小值小于0.08,调制传递函数(MTF)至少为78.0,青色Dmax至少为2.53,a 品红Dmax至少为2.34,黄Dmax至少为2.16。