| 摘要 |
PROBLEM TO BE SOLVED: To provide a substrate with a projecting member that allows the formation of a projecting member in a wall state stable and free of peeling and the like from the substrate when the projecting member is formed on a substrate surface and thus has a precise and stable projecting member, a manufacturing method of the substrate, and an image forming device using the substrate. SOLUTION: The image forming device manufactured, such as an FED 1, has a surface of a back panel 2 or a front panel 3 provided, in a vertical relation to the back panel 2 or the front panel 3, with a plurality of spacers (projecting members) 9 where at least one type of metal particle selected from the group of Si, Zn, Al, Sn, Cu and Mg and an oxide of the metal are dispersed in a glass matrix, and a ratio (mM1/mO1) of a metal content (mM1) to a metal oxide content (mo1) in a wall surface portion of the projecting members 9 is smaller than a ratio (mM2/mO2) of a metal content (mM2) to a metal oxide content (mo2) inside the projecting members 9, and which have a given height.
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