Abstract
It is pointed out that the increase of utilization of Vacuum Ultraviolet Rays(VUV)is one of the best methods to improve the luminous efficiency of color ac plasma displays. In order to achieve high efficiency of utilizing VUV, it is very important for us to research and develop the protecting materials whose property is transparent for VUV. In the present work, after target materials for vacuum evaporation were calcinated by varying the contents of MgAl_2O_4, the secondary electron emission characteristics, γ1 characteristics of the evaporated samples were measured.
