| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a luminous fluorescent substance for handrails, characterized by mixing an aluminate as matrix crystals with the oxides of calcium, strontium, sodium and tin as activators. <P>SOLUTION: This luminous fluorescent substance is characterized by mixing 61 to 63 wt.% of Al<SB>2</SB>O<SB>3</SB>with 12 to 14 wt.% of MgO, 7 to 9 wt.% of CaO, 15 to 16 wt.% of SrO, 1.8 to 3.8 wt.% of Na<SB>2</SB>O and 0.5 to 1.5 wt.% of SnO. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
