| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin phosphorescent evacuation guiding board free from peeling or penetration. SOLUTION: In the phosphorescent evacuation guiding board 1, a glaze layer 3 is formed on the surface of a stainless substrate 2, and a transparent protection layer 4 constituted by burning glass frit is formed on the glaze layer 3, and a plane-shaped phosphorescent material layer 5 is formed in the transparent protection layer 4. The phosphorescent material layer 5 is constituted only of phosphorescent materials by not grinding but shaping the phosphorescent materials like a plane. A pattern layer 6 is formed by burning pigment on the transparent protection layer 4, and a transparent protection layer 7 is formed by burning glass frit on the pattern layer 6. COPYRIGHT: (C)2007,JPO&INPIT
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