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    • 8. 发明授权
    • Magnetically orientable retroreflectorization particles
    • 磁性取向后向反射粒子
    • US4055377A
    • 1977-10-25
    • US711140
    • 1976-08-03
    • Randall L. EricksonTerry R. Bailey
    • Randall L. EricksonTerry R. Bailey
    • D06N7/04B05D5/06C09D5/00C09D5/23D21H19/00G02B5/128G02F1/09G09F13/16H01F10/00
    • G02B5/128G02F1/091G09F13/16H01F10/00Y10S428/90
    • Novel magnetically orientable retroreflectorization particles permit application of highly oriented retroreflective coatings. The retroreflectorization particles individually comprise at least one transparent microsphere, specular reflective means in optical connection with a first portion of said microsphere so as to provide retroreflection of light incident on the opposed portion of the microsphere, and a magnetic layer underlying said specular reflective means and having a magnetic axis parallel to the optical axis on which said first and opposed portions of the microsphere are aligned. When the particles are applied to a substrate in the presence of a magnetic field having flux lines of appropriate polarity perpendicular to the substrate, the particles tend to become aligned in a common direction that retroreflects light incident on the coating.
    • 新型可磁性定向后向反射粒子允许应用高度定向的回射涂层。 后向反射微粒分别包含至少一个透明微球,与所述微球的第一部分光学连接的镜面反射装置,以便提供入射在微球的相对部分上的光的回射;以及在所述镜面反射装置下面的磁性层,以及 具有平行于所述微球的所述第一和相对部分对准的光轴的磁轴线。 当在存在具有垂直于衬底的适当极性的通量线的磁场的情况下将颗粒施加到衬底时,颗粒倾向于沿着反射入射在涂层上的光的共同方向排列。