发明授权
US06833959B2 Color shifting carbon-containing interference pigments 有权
颜色偏移含碳干涉颜料

  • 专利标题: Color shifting carbon-containing interference pigments
  • 专利标题(中): 颜色偏移含碳干涉颜料
  • 申请号: US10781402
    申请日: 2004-02-18
  • 公开(公告)号: US06833959B2
    公开(公告)日: 2004-12-21
  • 发明人: Roger W. Phillips
  • 申请人: Roger W. Phillips
  • 主分类号: G02B110
  • IPC分类号: G02B110
Color shifting carbon-containing interference pigments
摘要:
A color shifting multilayer interference film is provided which may be used to produce foils or flakes for use in pigment compositions and colorants having color shifting properties. The flakes can be interspersed into a pigment medium to form paints, inks, or cosmetic preparations which can subsequently be applied to objects, papers, or people. Three and five layer designs of the interference film include alternating layers of a dielectric material and carbon in various configurations. The dielectric layers are formed to have an optical thickness at a design wavelength that provides a color shift as the angle of incident light or viewing angle changes.
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