Long afterglow phosphorescent body and preparation method thereof

Long afterglow phosphorescent body and preparation method thereof

  • CN 1,144,257 A
  • Filed: 08/29/1995
  • Published: 03/05/1997
  • Est. Priority Date: 08/29/1995
  • Status: Abandoned Application
First Claim
Patent Images

1. a long persistence phosphor is characterized in that the [aAL by general expression MO. (n-x) 2O 3α

  • + (1-a) AL 2O 3γ

    ] .xB 2O 3;

    the sintered body that R represents constitutes, and in the formula, M represents alkaline-earth metal, and R represents rare earth element, 0.5<

    a≤

    0.99,0.001≤

    x≤

    0.35,1≤

    n≤

    8.

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